281750209

素因数分解:

${\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 313588800

約数和(自身を除く): 31838591

約数列:

[1, 13, 67, 149, 167, 169, 871, 1937, 2171, 9983, 11189, 11323, 24883, 25181, 28223, 129779, 145457, 323479, 1667161, 1687127, 1890941, 4205227, 21673093, 281750209]

約数ペア:

[(1, 281750209), (13, 21673093), (67, 4205227), (149, 1890941), (167, 1687127), (169, 1667161), (871, 323479), (1937, 145457), (2171, 129779), (9983, 28223), (11189, 25181), (11323, 24883)]