87432865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43391}}^1$

素因数の和:43440

約数の個数: 16

約数和(自身を含む): 116637696

約数和(自身を除く): 29204831

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 43391, 216955, 564083, 1345121, 2820415, 6725605, 17486573, 87432865]

約数ペア:

[(1, 87432865), (5, 17486573), (13, 6725605), (31, 2820415), (65, 1345121), (155, 564083), (403, 216955), (2015, 43391)]