215941535

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{3923}}^1$

素因数の和:4138

約数の個数: 16

約数和(自身を含む): 264163680

約数和(自身を除く): 48222145

約数列:

[1, 5, 101, 109, 505, 545, 3923, 11009, 19615, 55045, 396223, 427607, 1981115, 2138035, 43188307, 215941535]

約数ペア:

[(1, 215941535), (5, 43188307), (101, 2138035), (109, 1981115), (505, 427607), (545, 396223), (3923, 55045), (11009, 19615)]