4538989

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1660

約数の個数: 16

約数和(自身を含む): 5770240

約数和(自身を除く): 1231251

約数列:

[1, 7, 13, 31, 91, 217, 403, 1609, 2821, 11263, 20917, 49879, 146419, 349153, 648427, 4538989]

約数ペア:

[(1, 4538989), (7, 648427), (13, 349153), (31, 146419), (91, 49879), (217, 20917), (403, 11263), (1609, 2821)]