39991886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{25603}}^1$

素因数の和:25687

約数の個数: 16

約数和(自身を含む): 66365568

約数和(自身を除く): 26373682

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 25603, 51206, 281633, 563266, 1817813, 3635626, 19995943, 39991886]

約数ペア:

[(1, 39991886), (2, 19995943), (11, 3635626), (22, 1817813), (71, 563266), (142, 281633), (781, 51206), (1562, 25603)]