128880823055

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{1851869}}^1$

素因数の和:1852354

約数の個数: 16

約数和(自身を含む): 160001568000

約数和(自身を除く): 31120744945

約数列:

[1, 5, 31, 155, 449, 2245, 13919, 69595, 1851869, 9259345, 57407939, 287039695, 831489181, 4157445905, 25776164611, 128880823055]

約数ペア:

[(1, 128880823055), (5, 25776164611), (31, 4157445905), (155, 831489181), (449, 287039695), (2245, 57407939), (13919, 9259345), (69595, 1851869)]