661422944

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:509

約数の個数: 192

約数和(自身を含む): 1755758592

約数和(自身を除く): 1094335648

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 31, 32, 34, 52, 56, 62, 68, 91, 104, 112, 119, 124, 136, 182, 208, 217, 221, 224, 238, 248, 272, 364, 403, 416, 431, 434, 442, 476, 496, 527, 544, 728, 806, 862, 868, 884, 952, 992, 1054, 1456, 1547, 1612, 1724, 1736, 1768, 1904, 2108, 2821, 2912, 3017, 3094, 3224, 3448, 3472, 3536, 3689, 3808, 4216, 5603, 5642, 6034, 6188, 6448, 6851, 6896, 6944, 7072, 7327, 7378, 8432, 11206, 11284, 12068, 12376, 12896, 13361, 13702, 13792, 14654, 14756, 16864, 22412, 22568, 24136, 24752, 26722, 27404, 29308, 29512, 39221, 44824, 45136, 47957, 48272, 49504, 51289, 53444, 54808, 58616, 59024, 78442, 89648, 90272, 93527, 95251, 95914, 96544, 102578, 106888, 109616, 117232, 118048, 156884, 173693, 179296, 187054, 190502, 191828, 205156, 213776, 219232, 227137, 234464, 313768, 347386, 374108, 381004, 383656, 410312, 427552, 454274, 627536, 666757, 694772, 748216, 762008, 767312, 820624, 908548, 1215851, 1255072, 1333514, 1389544, 1496432, 1524016, 1534624, 1589959, 1641248, 1817096, 2431702, 2667028, 2779088, 2952781, 2992864, 3048032, 3179918, 3634192, 4863404, 5334056, 5558176, 5905562, 6359836, 7268384, 9726808, 10668112, 11811124, 12719672, 19453616, 20669467, 21336224, 23622248, 25439344, 38907232, 41338934, 47244496, 50878688, 82677868, 94488992, 165355736, 330711472, 661422944]

約数ペア:

[(1, 661422944), (2, 330711472), (4, 165355736), (7, 94488992), (8, 82677868), (13, 50878688), (14, 47244496), (16, 41338934), (17, 38907232), (26, 25439344), (28, 23622248), (31, 21336224), (32, 20669467), (34, 19453616), (52, 12719672), (56, 11811124), (62, 10668112), (68, 9726808), (91, 7268384), (104, 6359836), (112, 5905562), (119, 5558176), (124, 5334056), (136, 4863404), (182, 3634192), (208, 3179918), (217, 3048032), (221, 2992864), (224, 2952781), (238, 2779088), (248, 2667028), (272, 2431702), (364, 1817096), (403, 1641248), (416, 1589959), (431, 1534624), (434, 1524016), (442, 1496432), (476, 1389544), (496, 1333514), (527, 1255072), (544, 1215851), (728, 908548), (806, 820624), (862, 767312), (868, 762008), (884, 748216), (952, 694772), (992, 666757), (1054, 627536), (1456, 454274), (1547, 427552), (1612, 410312), (1724, 383656), (1736, 381004), (1768, 374108), (1904, 347386), (2108, 313768), (2821, 234464), (2912, 227137), (3017, 219232), (3094, 213776), (3224, 205156), (3448, 191828), (3472, 190502), (3536, 187054), (3689, 179296), (3808, 173693), (4216, 156884), (5603, 118048), (5642, 117232), (6034, 109616), (6188, 106888), (6448, 102578), (6851, 96544), (6896, 95914), (6944, 95251), (7072, 93527), (7327, 90272), (7378, 89648), (8432, 78442), (11206, 59024), (11284, 58616), (12068, 54808), (12376, 53444), (12896, 51289), (13361, 49504), (13702, 48272), (13792, 47957), (14654, 45136), (14756, 44824), (16864, 39221), (22412, 29512), (22568, 29308), (24136, 27404), (24752, 26722)]