251331982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{643}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 418239360

約数和(自身を除く): 166907378

約数列:

[1, 2, 11, 22, 109, 163, 218, 326, 643, 1199, 1286, 1793, 2398, 3586, 7073, 14146, 17767, 35534, 70087, 104809, 140174, 195437, 209618, 390874, 770957, 1152899, 1541914, 2305798, 11424181, 22848362, 125665991, 251331982]

約数ペア:

[(1, 251331982), (2, 125665991), (11, 22848362), (22, 11424181), (109, 2305798), (163, 1541914), (218, 1152899), (326, 770957), (643, 390874), (1199, 209618), (1286, 195437), (1793, 140174), (2398, 104809), (3586, 70087), (7073, 35534), (14146, 17767)]