1639595881

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{12037}}^1$

素因数の和:12145

約数の個数: 32

約数和(自身を含む): 2149505280

約数和(自身を除く): 509909399

約数列:

[1, 7, 11, 29, 61, 77, 203, 319, 427, 671, 1769, 2233, 4697, 12037, 12383, 19459, 84259, 132407, 136213, 349073, 734257, 926849, 2443511, 3839803, 5139799, 8076827, 21293453, 26878621, 56537789, 149054171, 234227983, 1639595881]

約数ペア:

[(1, 1639595881), (7, 234227983), (11, 149054171), (29, 56537789), (61, 26878621), (77, 21293453), (203, 8076827), (319, 5139799), (427, 3839803), (671, 2443511), (1769, 926849), (2233, 734257), (4697, 349073), (12037, 136213), (12383, 132407), (19459, 84259)]