128811515

素因数分解:

$5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{9461}}^1$

素因数の和:9862

約数の個数: 16

約数和(自身を含む): 177128640

約数和(自身を除く): 48317125

約数列:

[1, 5, 7, 35, 389, 1945, 2723, 9461, 13615, 47305, 66227, 331135, 3680329, 18401645, 25762303, 128811515]

約数ペア:

[(1, 128811515), (5, 25762303), (7, 18401645), (35, 3680329), (389, 331135), (1945, 66227), (2723, 47305), (9461, 13615)]