12981095

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{941}}^1$

素因数の和:1066

約数の個数: 16

約数和(自身を含む): 16277760

約数和(自身を除く): 3296665

約数列:

[1, 5, 31, 89, 155, 445, 941, 2759, 4705, 13795, 29171, 83749, 145855, 418745, 2596219, 12981095]

約数ペア:

[(1, 12981095), (5, 2596219), (31, 418745), (89, 145855), (155, 83749), (445, 29171), (941, 13795), (2759, 4705)]