267788390

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{210857}}^1$

素因数の和:210991

約数の個数: 16

約数和(自身を含む): 485816832

約数和(自身を除く): 218028442

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 210857, 421714, 1054285, 2108570, 26778839, 53557678, 133894195, 267788390]

約数ペア:

[(1, 267788390), (2, 133894195), (5, 53557678), (10, 26778839), (127, 2108570), (254, 1054285), (635, 421714), (1270, 210857)]