398691396

素因数分解:

$2^2\times 3^4\times {\mathrm{1230529}}^1$

素因数の和:1230545

約数の個数: 30

約数和(自身を含む): 1042258910

約数和(自身を除く): 643567514

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 1230529, 2461058, 3691587, 4922116, 7383174, 11074761, 14766348, 22149522, 33224283, 44299044, 66448566, 99672849, 132897132, 199345698, 398691396]

約数ペア:

[(1, 398691396), (2, 199345698), (3, 132897132), (4, 99672849), (6, 66448566), (9, 44299044), (12, 33224283), (18, 22149522), (27, 14766348), (36, 11074761), (54, 7383174), (81, 4922116), (108, 3691587), (162, 2461058), (324, 1230529)]