77637790

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2543}}^1$

素因数の和:2664

約数の個数: 32

約数和(自身を含む): 145069056

約数和(自身を除く): 67431266

約数列:

[1, 2, 5, 10, 43, 71, 86, 142, 215, 355, 430, 710, 2543, 3053, 5086, 6106, 12715, 15265, 25430, 30530, 109349, 180553, 218698, 361106, 546745, 902765, 1093490, 1805530, 7763779, 15527558, 38818895, 77637790]

約数ペア:

[(1, 77637790), (2, 38818895), (5, 15527558), (10, 7763779), (43, 1805530), (71, 1093490), (86, 902765), (142, 546745), (215, 361106), (355, 218698), (430, 180553), (710, 109349), (2543, 30530), (3053, 25430), (5086, 15265), (6106, 12715)]