397852015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{249437}}^1$

素因数の和:249482

約数の個数: 16

約数和(自身を含む): 538786080

約数和(自身を除く): 140934065

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 249437, 1247185, 2743807, 7233673, 13719035, 36168365, 79570403, 397852015]

約数ペア:

[(1, 397852015), (5, 79570403), (11, 36168365), (29, 13719035), (55, 7233673), (145, 2743807), (319, 1247185), (1595, 249437)]