398976478

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{9059}}^1$

素因数の和:9160

約数の個数: 24

約数和(自身を含む): 642045960

約数和(自身を除く): 243069482

約数列:

[1, 2, 19, 38, 61, 122, 361, 722, 1159, 2318, 9059, 18118, 22021, 44042, 172121, 344242, 552599, 1105198, 3270299, 6540598, 10499381, 20998762, 199488239, 398976478]

約数ペア:

[(1, 398976478), (2, 199488239), (19, 20998762), (38, 10499381), (61, 6540598), (122, 3270299), (361, 1105198), (722, 552599), (1159, 344242), (2318, 172121), (9059, 44042), (18118, 22021)]