31112510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21757}}^1$

素因数の和:21788

約数の個数: 32

約数和(自身を含む): 65796192

約数和(自身を除く): 34683682

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 21757, 43514, 108785, 217570, 239327, 282841, 478654, 565682, 1196635, 1414205, 2393270, 2828410, 3111251, 6222502, 15556255, 31112510]

約数ペア:

[(1, 31112510), (2, 15556255), (5, 6222502), (10, 3111251), (11, 2828410), (13, 2393270), (22, 1414205), (26, 1196635), (55, 565682), (65, 478654), (110, 282841), (130, 239327), (143, 217570), (286, 108785), (715, 43514), (1430, 21757)]