64721044

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{811}}^1$

素因数の和:1167

約数の個数: 24

約数和(自身を含む): 115407936

約数和(自身を除く): 50686892

約数列:

[1, 2, 4, 71, 142, 281, 284, 562, 811, 1124, 1622, 3244, 19951, 39902, 57581, 79804, 115162, 227891, 230324, 455782, 911564, 16180261, 32360522, 64721044]

約数ペア:

[(1, 64721044), (2, 32360522), (4, 16180261), (71, 911564), (142, 455782), (281, 230324), (284, 227891), (562, 115162), (811, 79804), (1124, 57581), (1622, 39902), (3244, 19951)]