221420633

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1\times {\mathrm{619}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 255995520

約数和(自身を除く): 34574887

約数列:

[1, 7, 137, 373, 619, 959, 2611, 4333, 51101, 84803, 230887, 357707, 593621, 1616209, 31631519, 221420633]

約数ペア:

[(1, 221420633), (7, 31631519), (137, 1616209), (373, 593621), (619, 357707), (959, 230887), (2611, 84803), (4333, 51101)]