647569090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1\times {\mathrm{337}}^1$

素因数の和:731

約数の個数: 64

約数和(自身を含む): 1354639104

約数和(自身を除く): 707070014

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 283, 337, 485, 566, 674, 679, 970, 1358, 1415, 1685, 1981, 2359, 2830, 3370, 3395, 3962, 4718, 6790, 9905, 11795, 19810, 23590, 27451, 32689, 54902, 65378, 95371, 137255, 163445, 190742, 192157, 228823, 274510, 326890, 384314, 457646, 476855, 667597, 953710, 960785, 1144115, 1335194, 1921570, 2288230, 3337985, 6675970, 9250987, 18501974, 46254935, 64756909, 92509870, 129513818, 323784545, 647569090]

約数ペア:

[(1, 647569090), (2, 323784545), (5, 129513818), (7, 92509870), (10, 64756909), (14, 46254935), (35, 18501974), (70, 9250987), (97, 6675970), (194, 3337985), (283, 2288230), (337, 1921570), (485, 1335194), (566, 1144115), (674, 960785), (679, 953710), (970, 667597), (1358, 476855), (1415, 457646), (1685, 384314), (1981, 326890), (2359, 274510), (2830, 228823), (3370, 192157), (3395, 190742), (3962, 163445), (4718, 137255), (6790, 95371), (9905, 65378), (11795, 54902), (19810, 32689), (23590, 27451)]