391742

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:108

約数の個数: 24

約数和(自身を含む): 680760

約数和(自身を除く): 289018

約数列:

[1, 2, 13, 19, 26, 38, 61, 122, 169, 247, 338, 494, 793, 1159, 1586, 2318, 3211, 6422, 10309, 15067, 20618, 30134, 195871, 391742]

約数ペア:

[(1, 391742), (2, 195871), (13, 30134), (19, 20618), (26, 15067), (38, 10309), (61, 6422), (122, 3211), (169, 2318), (247, 1586), (338, 1159), (494, 793)]