221151268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{859}}^1\times {\mathrm{4951}}^1$

素因数の和:5827

約数の個数: 24

約数和(自身を含む): 417354560

約数和(自身を除く): 196203292

約数列:

[1, 2, 4, 13, 26, 52, 859, 1718, 3436, 4951, 9902, 11167, 19804, 22334, 44668, 64363, 128726, 257452, 4252909, 8505818, 17011636, 55287817, 110575634, 221151268]

約数ペア:

[(1, 221151268), (2, 110575634), (4, 55287817), (13, 17011636), (26, 8505818), (52, 4252909), (859, 257452), (1718, 128726), (3436, 64363), (4951, 44668), (9902, 22334), (11167, 19804)]