128211426

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1017551}}^1$

素因数の和:1017566

約数の個数: 24

約数和(自身を含む): 317476224

約数和(自身を除く): 189264798

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1017551, 2035102, 3052653, 6105306, 7122857, 9157959, 14245714, 18315918, 21368571, 42737142, 64105713, 128211426]

約数ペア:

[(1, 128211426), (2, 64105713), (3, 42737142), (6, 21368571), (7, 18315918), (9, 14245714), (14, 9157959), (18, 7122857), (21, 6105306), (42, 3052653), (63, 2035102), (126, 1017551)]