665983168

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{3259}}^1$

素因数の和:3405

約数の個数: 56

約数和(自身を含む): 1377858560

約数和(自身を除く): 711875392

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 103, 124, 206, 248, 412, 496, 824, 992, 1648, 1984, 3193, 3259, 3296, 6386, 6518, 6592, 12772, 13036, 25544, 26072, 51088, 52144, 101029, 102176, 104288, 202058, 204352, 208576, 335677, 404116, 671354, 808232, 1342708, 1616464, 2685416, 3232928, 5370832, 6465856, 10405987, 10741664, 20811974, 21483328, 41623948, 83247896, 166495792, 332991584, 665983168]

約数ペア:

[(1, 665983168), (2, 332991584), (4, 166495792), (8, 83247896), (16, 41623948), (31, 21483328), (32, 20811974), (62, 10741664), (64, 10405987), (103, 6465856), (124, 5370832), (206, 3232928), (248, 2685416), (412, 1616464), (496, 1342708), (824, 808232), (992, 671354), (1648, 404116), (1984, 335677), (3193, 208576), (3259, 204352), (3296, 202058), (6386, 104288), (6518, 102176), (6592, 101029), (12772, 52144), (13036, 51088), (25544, 26072)]