86731225

素因数分解:

$5^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{701}}^1$

素因数の和:826

約数の個数: 36

約数和(自身を含む): 126524268

約数和(自身を除く): 39793043

約数列:

[1, 5, 7, 25, 35, 49, 101, 175, 245, 505, 701, 707, 1225, 2525, 3505, 3535, 4907, 4949, 17525, 17675, 24535, 24745, 34349, 70801, 122675, 123725, 171745, 354005, 495607, 858725, 1770025, 2478035, 3469249, 12390175, 17346245, 86731225]

約数ペア:

[(1, 86731225), (5, 17346245), (7, 12390175), (25, 3469249), (35, 2478035), (49, 1770025), (101, 858725), (175, 495607), (245, 354005), (505, 171745), (701, 123725), (707, 122675), (1225, 70801), (2525, 34349), (3505, 24745), (3535, 24535), (4907, 17675), (4949, 17525)]