8990758372

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1\times {\mathrm{1999}}^1$

素因数の和:2456

約数の個数: 48

約数和(自身を含む): 16360960000

約数和(自身を除く): 7370201628

約数列:

[1, 2, 4, 43, 79, 86, 158, 172, 316, 331, 662, 1324, 1999, 3397, 3998, 6794, 7996, 13588, 14233, 26149, 28466, 52298, 56932, 85957, 104596, 157921, 171914, 315842, 343828, 631684, 661669, 1124407, 1323338, 2248814, 2646676, 4497628, 6790603, 13581206, 27162412, 28451767, 52271851, 56903534, 104543702, 113807068, 209087404, 2247689593, 4495379186, 8990758372]

約数ペア:

[(1, 8990758372), (2, 4495379186), (4, 2247689593), (43, 209087404), (79, 113807068), (86, 104543702), (158, 56903534), (172, 52271851), (316, 28451767), (331, 27162412), (662, 13581206), (1324, 6790603), (1999, 4497628), (3397, 2646676), (3998, 2248814), (6794, 1323338), (7996, 1124407), (13588, 661669), (14233, 631684), (26149, 343828), (28466, 315842), (52298, 171914), (56932, 157921), (85957, 104596)]