51977485

素因数分解:

$5^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{601}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 72882936

約数和(自身を除く): 20905451

約数列:

[1, 5, 7, 35, 49, 245, 353, 601, 1765, 2471, 3005, 4207, 12355, 17297, 21035, 29449, 86485, 147245, 212153, 1060765, 1485071, 7425355, 10395497, 51977485]

約数ペア:

[(1, 51977485), (5, 10395497), (7, 7425355), (35, 1485071), (49, 1060765), (245, 212153), (353, 147245), (601, 86485), (1765, 29449), (2471, 21035), (3005, 17297), (4207, 12355)]