2051230645

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 2547417600

約数和(自身を除く): 496186955

約数列:

[1, 5, 53, 139, 233, 239, 265, 695, 1165, 1195, 7367, 12349, 12667, 32387, 33221, 36835, 55687, 61745, 63335, 161935, 166105, 278435, 1716511, 1760713, 2951411, 7740493, 8582555, 8803565, 14757055, 38702465, 410246129, 2051230645]

約数ペア:

[(1, 2051230645), (5, 410246129), (53, 38702465), (139, 14757055), (233, 8803565), (239, 8582555), (265, 7740493), (695, 2951411), (1165, 1760713), (1195, 1716511), (7367, 278435), (12349, 166105), (12667, 161935), (32387, 63335), (33221, 61745), (36835, 55687)]