215520145

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{12917}}^1$

素因数の和:13040

約数の個数: 16

約数和(自身を含む): 267867648

約数和(自身を除く): 52347503

約数列:

[1, 5, 47, 71, 235, 355, 3337, 12917, 16685, 64585, 607099, 917107, 3035495, 4585535, 43104029, 215520145]

約数ペア:

[(1, 215520145), (5, 43104029), (47, 4585535), (71, 3035495), (235, 917107), (355, 607099), (3337, 64585), (12917, 16685)]