1639236352

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15889}}^1$

素因数の和:15949

約数の個数: 72

約数和(自身を含む): 3637665920

約数和(自身を除く): 1998429568

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3328, 3968, 6448, 7936, 12896, 15889, 25792, 31778, 51584, 63556, 103168, 127112, 206557, 254224, 413114, 492559, 508448, 826228, 985118, 1016896, 1652456, 1970236, 2033792, 3304912, 3940472, 4067584, 6403267, 6609824, 7880944, 12806534, 13219648, 15761888, 25613068, 26439296, 31523776, 51226136, 52878592, 63047552, 102452272, 126095104, 204904544, 409809088, 819618176, 1639236352]

約数ペア:

[(1, 1639236352), (2, 819618176), (4, 409809088), (8, 204904544), (13, 126095104), (16, 102452272), (26, 63047552), (31, 52878592), (32, 51226136), (52, 31523776), (62, 26439296), (64, 25613068), (104, 15761888), (124, 13219648), (128, 12806534), (208, 7880944), (248, 6609824), (256, 6403267), (403, 4067584), (416, 3940472), (496, 3304912), (806, 2033792), (832, 1970236), (992, 1652456), (1612, 1016896), (1664, 985118), (1984, 826228), (3224, 508448), (3328, 492559), (3968, 413114), (6448, 254224), (7936, 206557), (12896, 127112), (15889, 103168), (25792, 63556), (31778, 51584)]