399670544

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:353

約数の個数: 160

約数和(自身を含む): 1028434176

約数和(自身を除く): 628763632

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 67, 68, 91, 104, 112, 119, 134, 136, 182, 208, 221, 238, 241, 268, 272, 364, 442, 469, 476, 482, 536, 728, 871, 884, 938, 952, 964, 1072, 1139, 1456, 1547, 1687, 1742, 1768, 1876, 1904, 1928, 2278, 3094, 3133, 3374, 3484, 3536, 3752, 3856, 4097, 4556, 6097, 6188, 6266, 6748, 6968, 7504, 7973, 8194, 9112, 12194, 12376, 12532, 13496, 13936, 14807, 15946, 16147, 16388, 18224, 21931, 24388, 24752, 25064, 26992, 28679, 29614, 31892, 32294, 32776, 43862, 48776, 50128, 53261, 57358, 59228, 63784, 64588, 65552, 87724, 97552, 103649, 106522, 113029, 114716, 118456, 127568, 129176, 175448, 207298, 209911, 213044, 226058, 229432, 236912, 258352, 274499, 350896, 372827, 414596, 419822, 426088, 452116, 458864, 548998, 745654, 829192, 839644, 852176, 904232, 1097996, 1469377, 1491308, 1658384, 1679288, 1808464, 1921493, 2195992, 2938754, 2982616, 3358576, 3568487, 3842986, 4391984, 5877508, 5965232, 7136974, 7685972, 11755016, 14273948, 15371944, 23510032, 24979409, 28547896, 30743888, 49958818, 57095792, 99917636, 199835272, 399670544]

約数ペア:

[(1, 399670544), (2, 199835272), (4, 99917636), (7, 57095792), (8, 49958818), (13, 30743888), (14, 28547896), (16, 24979409), (17, 23510032), (26, 15371944), (28, 14273948), (34, 11755016), (52, 7685972), (56, 7136974), (67, 5965232), (68, 5877508), (91, 4391984), (104, 3842986), (112, 3568487), (119, 3358576), (134, 2982616), (136, 2938754), (182, 2195992), (208, 1921493), (221, 1808464), (238, 1679288), (241, 1658384), (268, 1491308), (272, 1469377), (364, 1097996), (442, 904232), (469, 852176), (476, 839644), (482, 829192), (536, 745654), (728, 548998), (871, 458864), (884, 452116), (938, 426088), (952, 419822), (964, 414596), (1072, 372827), (1139, 350896), (1456, 274499), (1547, 258352), (1687, 236912), (1742, 229432), (1768, 226058), (1876, 213044), (1904, 209911), (1928, 207298), (2278, 175448), (3094, 129176), (3133, 127568), (3374, 118456), (3484, 114716), (3536, 113029), (3752, 106522), (3856, 103649), (4097, 97552), (4556, 87724), (6097, 65552), (6188, 64588), (6266, 63784), (6748, 59228), (6968, 57358), (7504, 53261), (7973, 50128), (8194, 48776), (9112, 43862), (12194, 32776), (12376, 32294), (12532, 31892), (13496, 29614), (13936, 28679), (14807, 26992), (15946, 25064), (16147, 24752), (16388, 24388), (18224, 21931)]