27881690

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{12503}}^1$

素因数の和:12733

約数の個数: 16

約数和(自身を含む): 50416128

約数和(自身を除く): 22534438

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 12503, 25006, 62515, 125030, 2788169, 5576338, 13940845, 27881690]

約数ペア:

[(1, 27881690), (2, 13940845), (5, 5576338), (10, 2788169), (223, 125030), (446, 62515), (1115, 25006), (2230, 12503)]