398132566

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37997}}^1$

素因数の和:38056

約数の個数: 24

約数和(自身を含む): 667548864

約数和(自身を除く): 269416298

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 37997, 75994, 493961, 987922, 1177907, 2355814, 6421493, 12842986, 15312791, 30625582, 199066283, 398132566]

約数ペア:

[(1, 398132566), (2, 199066283), (13, 30625582), (26, 15312791), (31, 12842986), (62, 6421493), (169, 2355814), (338, 1177907), (403, 987922), (806, 493961), (5239, 75994), (10478, 37997)]