8972845

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 13178880

約数和(自身を除く): 4206035

約数列:

[1, 5, 7, 19, 35, 95, 103, 131, 133, 515, 655, 665, 721, 917, 1957, 2489, 3605, 4585, 9785, 12445, 13493, 13699, 17423, 67465, 68495, 87115, 94451, 256367, 472255, 1281835, 1794569, 8972845]

約数ペア:

[(1, 8972845), (5, 1794569), (7, 1281835), (19, 472255), (35, 256367), (95, 94451), (103, 87115), (131, 68495), (133, 67465), (515, 17423), (655, 13699), (665, 13493), (721, 12445), (917, 9785), (1957, 4585), (2489, 3605)]