31512130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1087}}^1$

素因数の和:1330

約数の個数: 32

約数和(自身を含む): 61415424

約数和(自身を除く): 29903294

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 223, 446, 1087, 1115, 2174, 2230, 2899, 5435, 5798, 10870, 14131, 14495, 28262, 28990, 70655, 141310, 242401, 484802, 1212005, 2424010, 3151213, 6302426, 15756065, 31512130]

約数ペア:

[(1, 31512130), (2, 15756065), (5, 6302426), (10, 3151213), (13, 2424010), (26, 1212005), (65, 484802), (130, 242401), (223, 141310), (446, 70655), (1087, 28990), (1115, 28262), (2174, 14495), (2230, 14131), (2899, 10870), (5435, 5798)]