156129955

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{4363}}^1$

素因数の和:4806

約数の個数: 16

約数和(自身を含む): 198893664

約数和(自身を除く): 42763709

約数列:

[1, 5, 17, 85, 421, 2105, 4363, 7157, 21815, 35785, 74171, 370855, 1836823, 9184115, 31225991, 156129955]

約数ペア:

[(1, 156129955), (5, 31225991), (17, 9184115), (85, 1836823), (421, 370855), (2105, 74171), (4363, 35785), (7157, 21815)]