491647321

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{131071}}^1$

素因数の和:131124

約数の個数: 12

約数和(自身を含む): 557842432

約数和(自身を除く): 66195111

約数列:

[1, 11, 31, 121, 341, 3751, 131071, 1441781, 4063201, 15859591, 44695211, 491647321]

約数ペア:

[(1, 491647321), (11, 44695211), (31, 15859591), (121, 4063201), (341, 1441781), (3751, 131071)]