31013988

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 73993920

約数和(自身を除く): 42979932

約数列:

[1, 2, 3, 4, 6, 12, 109, 131, 181, 218, 262, 327, 362, 393, 436, 524, 543, 654, 724, 786, 1086, 1308, 1572, 2172, 14279, 19729, 23711, 28558, 39458, 42837, 47422, 57116, 59187, 71133, 78916, 85674, 94844, 118374, 142266, 171348, 236748, 284532, 2584499, 5168998, 7753497, 10337996, 15506994, 31013988]

約数ペア:

[(1, 31013988), (2, 15506994), (3, 10337996), (4, 7753497), (6, 5168998), (12, 2584499), (109, 284532), (131, 236748), (181, 171348), (218, 142266), (262, 118374), (327, 94844), (362, 85674), (393, 78916), (436, 71133), (524, 59187), (543, 57116), (654, 47422), (724, 42837), (786, 39458), (1086, 28558), (1308, 23711), (1572, 19729), (2172, 14279)]