31144126

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 52224480

約数和(自身を除く): 21080354

約数列:

[1, 2, 13, 26, 43, 86, 89, 178, 313, 559, 626, 1118, 1157, 2314, 3827, 4069, 7654, 8138, 13459, 26918, 27857, 49751, 55714, 99502, 174967, 349934, 362141, 724282, 1197851, 2395702, 15572063, 31144126]

約数ペア:

[(1, 31144126), (2, 15572063), (13, 2395702), (26, 1197851), (43, 724282), (86, 362141), (89, 349934), (178, 174967), (313, 99502), (559, 55714), (626, 49751), (1118, 27857), (1157, 26918), (2314, 13459), (3827, 8138), (4069, 7654)]