1218491456

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:477

約数の個数: 224

約数和(自身を含む): 3260823552

約数和(自身を除く): 2042332096

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 31, 32, 34, 52, 56, 62, 64, 68, 91, 104, 112, 119, 124, 136, 182, 208, 217, 221, 224, 238, 248, 272, 364, 397, 403, 416, 434, 442, 448, 476, 496, 527, 544, 728, 794, 806, 832, 868, 884, 952, 992, 1054, 1088, 1456, 1547, 1588, 1612, 1736, 1768, 1904, 1984, 2108, 2779, 2821, 2912, 3094, 3176, 3224, 3472, 3536, 3689, 3808, 4216, 5161, 5558, 5642, 5824, 6188, 6352, 6448, 6749, 6851, 6944, 7072, 7378, 7616, 8432, 10322, 11116, 11284, 12307, 12376, 12704, 12896, 13498, 13702, 13888, 14144, 14756, 16864, 20644, 22232, 22568, 24614, 24752, 25408, 25792, 26996, 27404, 29512, 33728, 36127, 41288, 44464, 45136, 47243, 47957, 49228, 49504, 53992, 54808, 59024, 72254, 82576, 86149, 87737, 88928, 90272, 94486, 95914, 98456, 99008, 107984, 109616, 118048, 144508, 159991, 165152, 172298, 175474, 177856, 180544, 188972, 191828, 196912, 209219, 215968, 219232, 236096, 289016, 319982, 330304, 344596, 350948, 377944, 383656, 393824, 418438, 431936, 438464, 578032, 614159, 639964, 689192, 701896, 755888, 767312, 787648, 836876, 1119937, 1156064, 1228318, 1279928, 1378384, 1403792, 1464533, 1511776, 1534624, 1673752, 2239874, 2312128, 2456636, 2559856, 2719847, 2756768, 2807584, 2929066, 3023552, 3069248, 3347504, 4479748, 4913272, 5119712, 5439694, 5513536, 5615168, 5858132, 6695008, 8959496, 9826544, 10239424, 10879388, 11716264, 13390016, 17918992, 19038929, 19653088, 21758776, 23432528, 35837984, 38077858, 39306176, 43517552, 46865056, 71675968, 76155716, 87035104, 93730112, 152311432, 174070208, 304622864, 609245728, 1218491456]

約数ペア:

[(1, 1218491456), (2, 609245728), (4, 304622864), (7, 174070208), (8, 152311432), (13, 93730112), (14, 87035104), (16, 76155716), (17, 71675968), (26, 46865056), (28, 43517552), (31, 39306176), (32, 38077858), (34, 35837984), (52, 23432528), (56, 21758776), (62, 19653088), (64, 19038929), (68, 17918992), (91, 13390016), (104, 11716264), (112, 10879388), (119, 10239424), (124, 9826544), (136, 8959496), (182, 6695008), (208, 5858132), (217, 5615168), (221, 5513536), (224, 5439694), (238, 5119712), (248, 4913272), (272, 4479748), (364, 3347504), (397, 3069248), (403, 3023552), (416, 2929066), (434, 2807584), (442, 2756768), (448, 2719847), (476, 2559856), (496, 2456636), (527, 2312128), (544, 2239874), (728, 1673752), (794, 1534624), (806, 1511776), (832, 1464533), (868, 1403792), (884, 1378384), (952, 1279928), (992, 1228318), (1054, 1156064), (1088, 1119937), (1456, 836876), (1547, 787648), (1588, 767312), (1612, 755888), (1736, 701896), (1768, 689192), (1904, 639964), (1984, 614159), (2108, 578032), (2779, 438464), (2821, 431936), (2912, 418438), (3094, 393824), (3176, 383656), (3224, 377944), (3472, 350948), (3536, 344596), (3689, 330304), (3808, 319982), (4216, 289016), (5161, 236096), (5558, 219232), (5642, 215968), (5824, 209219), (6188, 196912), (6352, 191828), (6448, 188972), (6749, 180544), (6851, 177856), (6944, 175474), (7072, 172298), (7378, 165152), (7616, 159991), (8432, 144508), (10322, 118048), (11116, 109616), (11284, 107984), (12307, 99008), (12376, 98456), (12704, 95914), (12896, 94486), (13498, 90272), (13702, 88928), (13888, 87737), (14144, 86149), (14756, 82576), (16864, 72254), (20644, 59024), (22232, 54808), (22568, 53992), (24614, 49504), (24752, 49228), (25408, 47957), (25792, 47243), (26996, 45136), (27404, 44464), (29512, 41288), (33728, 36127)]