4005394

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:561

約数の個数: 16

約数和(自身を含む): 6198336

約数和(自身を除く): 2192942

約数列:

[1, 2, 67, 71, 134, 142, 421, 842, 4757, 9514, 28207, 29891, 56414, 59782, 2002697, 4005394]

約数ペア:

[(1, 4005394), (2, 2002697), (67, 59782), (71, 56414), (134, 29891), (142, 28207), (421, 9514), (842, 4757)]