66864791

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{2351}}^1$

素因数の和:2614

約数の個数: 16

約数和(自身を含む): 81285120

約数和(自身を除く): 14420329

約数列:

[1, 7, 17, 119, 239, 1673, 2351, 4063, 16457, 28441, 39967, 279769, 561889, 3933223, 9552113, 66864791]

約数ペア:

[(1, 66864791), (7, 9552113), (17, 3933223), (119, 561889), (239, 279769), (1673, 39967), (2351, 28441), (4063, 16457)]