20171215

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{677}}^1$

素因数の和:842

約数の個数: 16

約数和(自身を含む): 24896160

約数和(自身を除く): 4724945

約数列:

[1, 5, 59, 101, 295, 505, 677, 3385, 5959, 29795, 39943, 68377, 199715, 341885, 4034243, 20171215]

約数ペア:

[(1, 20171215), (5, 4034243), (59, 341885), (101, 199715), (295, 68377), (505, 39943), (677, 29795), (3385, 5959)]