31081264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{102241}}^1$

素因数の和:102268

約数の個数: 20

約数和(自身を含む): 63390040

約数和(自身を除く): 32308776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 102241, 204482, 408964, 817928, 1635856, 1942579, 3885158, 7770316, 15540632, 31081264]

約数ペア:

[(1, 31081264), (2, 15540632), (4, 7770316), (8, 3885158), (16, 1942579), (19, 1635856), (38, 817928), (76, 408964), (152, 204482), (304, 102241)]