81259216

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{307}}^1$

素因数の和:619

約数の個数: 40

約数和(自身を含む): 160864704

約数和(自身を除く): 79605488

約数列:

[1, 2, 4, 8, 16, 71, 142, 233, 284, 307, 466, 568, 614, 932, 1136, 1228, 1864, 2456, 3728, 4912, 16543, 21797, 33086, 43594, 66172, 71531, 87188, 132344, 143062, 174376, 264688, 286124, 348752, 572248, 1144496, 5078701, 10157402, 20314804, 40629608, 81259216]

約数ペア:

[(1, 81259216), (2, 40629608), (4, 20314804), (8, 10157402), (16, 5078701), (71, 1144496), (142, 572248), (233, 348752), (284, 286124), (307, 264688), (466, 174376), (568, 143062), (614, 132344), (932, 87188), (1136, 71531), (1228, 66172), (1864, 43594), (2456, 33086), (3728, 21797), (4912, 16543)]