12272705

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 15095808

約数和(自身を除く): 2823103

約数列:

[1, 5, 71, 181, 191, 355, 905, 955, 12851, 13561, 34571, 64255, 67805, 172855, 2454541, 12272705]

約数ペア:

[(1, 12272705), (5, 2454541), (71, 172855), (181, 67805), (191, 64255), (355, 34571), (905, 13561), (955, 12851)]