261268465

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{3433}}^1$

素因数の和:3960

約数の個数: 16

約数和(自身を含む): 324389376

約数和(自身を除く): 63120911

約数列:

[1, 5, 31, 155, 491, 2455, 3433, 15221, 17165, 76105, 106423, 532115, 1685603, 8428015, 52253693, 261268465]

約数ペア:

[(1, 261268465), (5, 52253693), (31, 8428015), (155, 1685603), (491, 532115), (2455, 106423), (3433, 76105), (15221, 17165)]