39643886

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:859

約数の個数: 16

約数和(自身を含む): 60160320

約数和(自身を除く): 20516434

約数列:

[1, 2, 197, 239, 394, 421, 478, 842, 47083, 82937, 94166, 100619, 165874, 201238, 19821943, 39643886]

約数ペア:

[(1, 39643886), (2, 19821943), (197, 201238), (239, 165874), (394, 100619), (421, 94166), (478, 82937), (842, 47083)]