1660807421

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{1459}}^1\times {\mathrm{1787}}^1$

素因数の和:3273

約数の個数: 24

約数和(自身を含む): 2083163040

約数和(自身を除く): 422355619

約数列:

[1, 7, 13, 49, 91, 637, 1459, 1787, 10213, 12509, 18967, 23231, 71491, 87563, 132769, 162617, 929383, 1138319, 2607233, 18250631, 33894029, 127754417, 237258203, 1660807421]

約数ペア:

[(1, 1660807421), (7, 237258203), (13, 127754417), (49, 33894029), (91, 18250631), (637, 2607233), (1459, 1138319), (1787, 929383), (10213, 162617), (12509, 132769), (18967, 87563), (23231, 71491)]