320757961

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{991}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 339406848

約数和(自身を除く): 18648887

約数列:

[1, 31, 53, 197, 991, 1643, 6107, 10441, 30721, 52523, 195227, 323671, 1628213, 6052037, 10347031, 320757961]

約数ペア:

[(1, 320757961), (31, 10347031), (53, 6052037), (197, 1628213), (991, 323671), (1643, 195227), (6107, 52523), (10441, 30721)]