28891725410

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{40692571}}^1$

素因数の和:40692649

約数の個数: 16

約数和(自身を含む): 52737573312

約数和(自身を除く): 23845847902

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 40692571, 81385142, 203462855, 406925710, 2889172541, 5778345082, 14445862705, 28891725410]

約数ペア:

[(1, 28891725410), (2, 14445862705), (5, 5778345082), (10, 2889172541), (71, 406925710), (142, 203462855), (355, 81385142), (710, 40692571)]