1311485

素因数分解:

$5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 1883736

約数和(自身を除く): 572251

約数列:

[1, 5, 7, 35, 49, 53, 101, 245, 265, 371, 505, 707, 1855, 2597, 3535, 4949, 5353, 12985, 24745, 26765, 37471, 187355, 262297, 1311485]

約数ペア:

[(1, 1311485), (5, 262297), (7, 187355), (35, 37471), (49, 26765), (53, 24745), (101, 12985), (245, 5353), (265, 4949), (371, 3535), (505, 2597), (707, 1855)]