31388294

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 55292160

約数和(自身を除く): 23903866

約数列:

[1, 2, 7, 14, 67, 109, 134, 218, 307, 469, 614, 763, 938, 1526, 2149, 4298, 7303, 14606, 20569, 33463, 41138, 51121, 66926, 102242, 143983, 234241, 287966, 468482, 2242021, 4484042, 15694147, 31388294]

約数ペア:

[(1, 31388294), (2, 15694147), (7, 4484042), (14, 2242021), (67, 468482), (109, 287966), (134, 234241), (218, 143983), (307, 102242), (469, 66926), (614, 51121), (763, 41138), (938, 33463), (1526, 20569), (2149, 14606), (4298, 7303)]