31105928

素因数分解:

$2^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2213}}^1$

素因数の和:2477

約数の個数: 32

約数和(自身を含む): 66951360

約数和(自身を除く): 35845432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 251, 502, 1004, 1757, 2008, 2213, 3514, 4426, 7028, 8852, 14056, 15491, 17704, 30982, 61964, 123928, 555463, 1110926, 2221852, 3888241, 4443704, 7776482, 15552964, 31105928]

約数ペア:

[(1, 31105928), (2, 15552964), (4, 7776482), (7, 4443704), (8, 3888241), (14, 2221852), (28, 1110926), (56, 555463), (251, 123928), (502, 61964), (1004, 30982), (1757, 17704), (2008, 15491), (2213, 14056), (3514, 8852), (4426, 7028)]