2500000019

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{62939}}^1$

素因数の和:63130

約数の個数: 16

約数和(自身を含む): 2864021760

約数和(自身を除く): 364021741

約数列:

[1, 11, 23, 157, 253, 1727, 3611, 39721, 62939, 692329, 1447597, 9881423, 15923567, 108695653, 227272729, 2500000019]

約数ペア:

[(1, 2500000019), (11, 227272729), (23, 108695653), (157, 15923567), (253, 9881423), (1727, 1447597), (3611, 692329), (39721, 62939)]