489703775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{6571}}^1$

素因数の和:6863

約数の個数: 24

約数和(自身を含む): 664981248

約数和(自身を除く): 175277473

約数列:

[1, 5, 11, 25, 55, 271, 275, 1355, 2981, 6571, 6775, 14905, 32855, 72281, 74525, 164275, 361405, 1780741, 1807025, 8903705, 19588151, 44518525, 97940755, 489703775]

約数ペア:

[(1, 489703775), (5, 97940755), (11, 44518525), (25, 19588151), (55, 8903705), (271, 1807025), (275, 1780741), (1355, 361405), (2981, 164275), (6571, 74525), (6775, 72281), (14905, 32855)]