678845479

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{31667}}^1$

素因数の和:31794

約数の個数: 16

約数和(自身を含む): 782072928

約数和(自身を除く): 103227449

約数列:

[1, 13, 17, 97, 221, 1261, 1649, 21437, 31667, 411671, 538339, 3071699, 6998407, 39932087, 52218883, 678845479]

約数ペア:

[(1, 678845479), (13, 52218883), (17, 39932087), (97, 6998407), (221, 3071699), (1261, 538339), (1649, 411671), (21437, 31667)]