57309721

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{2389}}^1$

素因数の和:2568

約数の個数: 16

約数和(自身を含む): 68832000

約数和(自身を除く): 11522279

約数列:

[1, 7, 23, 149, 161, 1043, 2389, 3427, 16723, 23989, 54947, 355961, 384629, 2491727, 8187103, 57309721]

約数ペア:

[(1, 57309721), (7, 8187103), (23, 2491727), (149, 384629), (161, 355961), (1043, 54947), (2389, 23989), (3427, 16723)]