1215259925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{761}}^1\times {\mathrm{5807}}^1$

素因数の和:6589

約数の個数: 24

約数和(自身を含む): 1646358912

約数和(自身を除く): 431098987

約数列:

[1, 5, 11, 25, 55, 275, 761, 3805, 5807, 8371, 19025, 29035, 41855, 63877, 145175, 209275, 319385, 1596925, 4419127, 22095635, 48610397, 110478175, 243051985, 1215259925]

約数ペア:

[(1, 1215259925), (5, 243051985), (11, 110478175), (25, 48610397), (55, 22095635), (275, 4419127), (761, 1596925), (3805, 319385), (5807, 209275), (8371, 145175), (19025, 63877), (29035, 41855)]