81587378

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{9419}}^1$

素因数の和:9553

約数の個数: 16

約数和(自身を含む): 126152640

約数和(自身を除く): 44565262

約数列:

[1, 2, 61, 71, 122, 142, 4331, 8662, 9419, 18838, 574559, 668749, 1149118, 1337498, 40793689, 81587378]

約数ペア:

[(1, 81587378), (2, 40793689), (61, 1337498), (71, 1149118), (122, 668749), (142, 574559), (4331, 18838), (8662, 9419)]