64702115

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{4133}}^1$

素因数の和:4270

約数の個数: 16

約数和(自身を含む): 80960256

約数和(自身を除く): 16258141

約数列:

[1, 5, 31, 101, 155, 505, 3131, 4133, 15655, 20665, 128123, 417433, 640615, 2087165, 12940423, 64702115]

約数ペア:

[(1, 64702115), (5, 12940423), (31, 2087165), (101, 640615), (155, 417433), (505, 128123), (3131, 20665), (4133, 15655)]