81018622

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 132105600

約数和(自身を除く): 51086978

約数列:

[1, 2, 19, 38, 43, 86, 179, 277, 358, 554, 817, 1634, 3401, 5263, 6802, 7697, 10526, 11911, 15394, 23822, 49583, 99166, 146243, 226309, 292486, 452618, 942077, 1884154, 2132069, 4264138, 40509311, 81018622]

約数ペア:

[(1, 81018622), (2, 40509311), (19, 4264138), (38, 2132069), (43, 1884154), (86, 942077), (179, 452618), (277, 292486), (358, 226309), (554, 146243), (817, 99166), (1634, 49583), (3401, 23822), (5263, 15394), (6802, 11911), (7697, 10526)]