28444730

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{40063}}^1$

素因数の和:40141

約数の個数: 16

約数和(自身を含む): 51922944

約数和(自身を除く): 23478214

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 40063, 80126, 200315, 400630, 2844473, 5688946, 14222365, 28444730]

約数ペア:

[(1, 28444730), (2, 14222365), (5, 5688946), (10, 2844473), (71, 400630), (142, 200315), (355, 80126), (710, 40063)]