51561215

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{2203}}^1$

素因数の和:2390

約数の個数: 16

約数和(自身を含む): 64321536

約数和(自身を除く): 12760321

約数列:

[1, 5, 31, 151, 155, 755, 2203, 4681, 11015, 23405, 68293, 332653, 341465, 1663265, 10312243, 51561215]

約数ペア:

[(1, 51561215), (5, 10312243), (31, 1663265), (151, 341465), (155, 332653), (755, 68293), (2203, 23405), (4681, 11015)]