81707848

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20717}}^1$

素因数の和:20769

約数の個数: 32

約数和(自身を含む): 167815800

約数和(自身を除く): 86107952

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 493, 986, 1972, 3944, 20717, 41434, 82868, 165736, 352189, 600793, 704378, 1201586, 1408756, 2403172, 2817512, 4806344, 10213481, 20426962, 40853924, 81707848]

約数ペア:

[(1, 81707848), (2, 40853924), (4, 20426962), (8, 10213481), (17, 4806344), (29, 2817512), (34, 2403172), (58, 1408756), (68, 1201586), (116, 704378), (136, 600793), (232, 352189), (493, 165736), (986, 82868), (1972, 41434), (3944, 20717)]