1640291296

素因数分解:

$2^5\times 7^1\times {\mathrm{109}}^1\times {\mathrm{67181}}^1$

素因数の和:67307

約数の個数: 48

約数和(自身を含む): 3724570080

約数和(自身を除く): 2084278784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 109, 112, 218, 224, 436, 763, 872, 1526, 1744, 3052, 3488, 6104, 12208, 24416, 67181, 134362, 268724, 470267, 537448, 940534, 1074896, 1881068, 2149792, 3762136, 7322729, 7524272, 14645458, 15048544, 29290916, 51259103, 58581832, 102518206, 117163664, 205036412, 234327328, 410072824, 820145648, 1640291296]

約数ペア:

[(1, 1640291296), (2, 820145648), (4, 410072824), (7, 234327328), (8, 205036412), (14, 117163664), (16, 102518206), (28, 58581832), (32, 51259103), (56, 29290916), (109, 15048544), (112, 14645458), (218, 7524272), (224, 7322729), (436, 3762136), (763, 2149792), (872, 1881068), (1526, 1074896), (1744, 940534), (3052, 537448), (3488, 470267), (6104, 268724), (12208, 134362), (24416, 67181)]