257890647170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1983774209}}^1$

素因数の和:1983774229

約数の個数: 16

約数和(自身を含む): 499911100920

約数和(自身を除く): 242020453750

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1983774209, 3967548418, 9918871045, 19837742090, 25789064717, 51578129434, 128945323585, 257890647170]

約数ペア:

[(1, 257890647170), (2, 128945323585), (5, 51578129434), (10, 25789064717), (13, 19837742090), (26, 9918871045), (65, 3967548418), (130, 1983774209)]