4393257

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1987}}^1$

素因数の和:2068

約数の個数: 16

約数和(自身を含む): 6488832

約数和(自身を除く): 2095575

約数列:

[1, 3, 11, 33, 67, 201, 737, 1987, 2211, 5961, 21857, 65571, 133129, 399387, 1464419, 4393257]

約数ペア:

[(1, 4393257), (3, 1464419), (11, 399387), (33, 133129), (67, 65571), (201, 21857), (737, 5961), (1987, 2211)]