28156790

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{6271}}^1$

素因数の和:6727

約数の個数: 16

約数和(自身を含む): 50803200

約数和(自身を除く): 22646410

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 6271, 12542, 31355, 62710, 2815679, 5631358, 14078395, 28156790]

約数ペア:

[(1, 28156790), (2, 14078395), (5, 5631358), (10, 2815679), (449, 62710), (898, 31355), (2245, 12542), (4490, 6271)]