319681921

素因数分解:

${\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{241}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 357122304

約数和(自身を除く): 37440383

約数列:

[1, 13, 47, 167, 169, 241, 611, 2171, 3133, 7849, 7943, 11327, 28223, 40247, 40729, 102037, 147251, 523211, 1326481, 1891609, 1914263, 6801743, 24590917, 319681921]

約数ペア:

[(1, 319681921), (13, 24590917), (47, 6801743), (167, 1914263), (169, 1891609), (241, 1326481), (611, 523211), (2171, 147251), (3133, 102037), (7849, 40729), (7943, 40247), (11327, 28223)]