31271312

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{941}}^1$

素因数の和:1047

約数の個数: 40

約数和(自身を含む): 63543552

約数和(自身を除く): 32272240

約数列:

[1, 2, 4, 8, 16, 31, 62, 67, 124, 134, 248, 268, 496, 536, 941, 1072, 1882, 2077, 3764, 4154, 7528, 8308, 15056, 16616, 29171, 33232, 58342, 63047, 116684, 126094, 233368, 252188, 466736, 504376, 1008752, 1954457, 3908914, 7817828, 15635656, 31271312]

約数ペア:

[(1, 31271312), (2, 15635656), (4, 7817828), (8, 3908914), (16, 1954457), (31, 1008752), (62, 504376), (67, 466736), (124, 252188), (134, 233368), (248, 126094), (268, 116684), (496, 63047), (536, 58342), (941, 33232), (1072, 29171), (1882, 16616), (2077, 15056), (3764, 8308), (4154, 7528)]