28165688

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2087

約数の個数: 32

約数和(自身を含む): 55384560

約数和(自身を除く): 27218872

約数列:

[1, 2, 4, 8, 41, 43, 82, 86, 164, 172, 328, 344, 1763, 1997, 3526, 3994, 7052, 7988, 14104, 15976, 81877, 85871, 163754, 171742, 327508, 343484, 655016, 686968, 3520711, 7041422, 14082844, 28165688]

約数ペア:

[(1, 28165688), (2, 14082844), (4, 7041422), (8, 3520711), (41, 686968), (43, 655016), (82, 343484), (86, 327508), (164, 171742), (172, 163754), (328, 85871), (344, 81877), (1763, 15976), (1997, 14104), (3526, 7988), (3994, 7052)]