77640155

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{3313}}^1$

素因数の和:3470

約数の個数: 16

約数和(自身を含む): 96238560

約数和(自身を除く): 18598405

約数列:

[1, 5, 43, 109, 215, 545, 3313, 4687, 16565, 23435, 142459, 361117, 712295, 1805585, 15528031, 77640155]

約数ペア:

[(1, 77640155), (5, 15528031), (43, 1805585), (109, 712295), (215, 361117), (545, 142459), (3313, 23435), (4687, 16565)]