90141985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{23143}}^1$

素因数の和:23208

約数の個数: 16

約数和(自身を含む): 116645760

約数和(自身を除く): 26503775

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 23143, 115715, 439717, 948863, 2198585, 4744315, 18028397, 90141985]

約数ペア:

[(1, 90141985), (5, 18028397), (19, 4744315), (41, 2198585), (95, 948863), (205, 439717), (779, 115715), (3895, 23143)]