12749185

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 15642000

約数和(自身を除く): 2892815

約数列:

[1, 5, 109, 149, 157, 545, 745, 785, 16241, 17113, 23393, 81205, 85565, 116965, 2549837, 12749185]

約数ペア:

[(1, 12749185), (5, 2549837), (109, 116965), (149, 85565), (157, 81205), (545, 23393), (745, 17113), (785, 16241)]