661625714

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1\times {\mathrm{19763}}^1$

素因数の和:20665

約数の個数: 16

約数和(自身を含む): 1045910880

約数和(自身を除く): 384285166

約数列:

[1, 2, 19, 38, 881, 1762, 16739, 19763, 33478, 39526, 375497, 750994, 17411203, 34822406, 330812857, 661625714]

約数ペア:

[(1, 661625714), (2, 330812857), (19, 34822406), (38, 17411203), (881, 750994), (1762, 375497), (16739, 39526), (19763, 33478)]