81657238

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{6449}}^1$

素因数の和:6951

約数の個数: 16

約数和(自身を含む): 132199200

約数和(自身を除く): 50541962

約数列:

[1, 2, 13, 26, 487, 974, 6331, 6449, 12662, 12898, 83837, 167674, 3140663, 6281326, 40828619, 81657238]

約数ペア:

[(1, 81657238), (2, 40828619), (13, 6281326), (26, 3140663), (487, 167674), (974, 83837), (6331, 12898), (6449, 12662)]