31407928

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{409}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 61254000

約数和(自身を除く): 29846072

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 331, 409, 662, 818, 1324, 1636, 2648, 3272, 9599, 11861, 19198, 23722, 38396, 47444, 76792, 94888, 135379, 270758, 541516, 1083032, 3925991, 7851982, 15703964, 31407928]

約数ペア:

[(1, 31407928), (2, 15703964), (4, 7851982), (8, 3925991), (29, 1083032), (58, 541516), (116, 270758), (232, 135379), (331, 94888), (409, 76792), (662, 47444), (818, 38396), (1324, 23722), (1636, 19198), (2648, 11861), (3272, 9599)]