1998791641

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{2099}}^1$

素因数の和:2349

約数の個数: 32

約数和(自身を含む): 2540160000

約数和(自身を除く): 541368359

約数列:

[1, 7, 11, 77, 83, 149, 581, 913, 1043, 1639, 2099, 6391, 11473, 12367, 14693, 23089, 86569, 136037, 161623, 174217, 312751, 952259, 1219519, 1916387, 2189257, 3440261, 13414709, 24081827, 25958333, 181708331, 285541663, 1998791641]

約数ペア:

[(1, 1998791641), (7, 285541663), (11, 181708331), (77, 25958333), (83, 24081827), (149, 13414709), (581, 3440261), (913, 2189257), (1043, 1916387), (1639, 1219519), (2099, 952259), (6391, 312751), (11473, 174217), (12367, 161623), (14693, 136037), (23089, 86569)]