1389180464

素因数分解:

$2^4\times 7^1\times {\mathrm{12403397}}^1$

素因数の和:12403412

約数の個数: 20

約数和(自身を含む): 3076042704

約数和(自身を除く): 1686862240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 12403397, 24806794, 49613588, 86823779, 99227176, 173647558, 198454352, 347295116, 694590232, 1389180464]

約数ペア:

[(1, 1389180464), (2, 694590232), (4, 347295116), (7, 198454352), (8, 173647558), (14, 99227176), (16, 86823779), (28, 49613588), (56, 24806794), (112, 12403397)]