642949999

素因数分解:

${\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{1493}}^1$

素因数の和:1746

約数の個数: 16

約数和(自身を含む): 673088832

約数和(自身を除く): 30138833

約数列:

[1, 37, 103, 113, 1493, 3811, 4181, 11639, 55241, 153779, 168709, 430643, 5689823, 6242233, 17377027, 642949999]

約数ペア:

[(1, 642949999), (37, 17377027), (103, 6242233), (113, 5689823), (1493, 430643), (3811, 168709), (4181, 153779), (11639, 55241)]