128180525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{1217}}^1$

素因数の和:1621

約数の個数: 24

約数和(自身を含む): 173988864

約数和(自身を除く): 45808339

約数列:

[1, 5, 11, 25, 55, 275, 383, 1217, 1915, 4213, 6085, 9575, 13387, 21065, 30425, 66935, 105325, 334675, 466111, 2330555, 5127221, 11652775, 25636105, 128180525]

約数ペア:

[(1, 128180525), (5, 25636105), (11, 11652775), (25, 5127221), (55, 2330555), (275, 466111), (383, 334675), (1217, 105325), (1915, 66935), (4213, 30425), (6085, 21065), (9575, 13387)]