389612972

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{190613}}^1$

素因数の和:190697

約数の個数: 24

約数和(自身を含む): 789904416

約数和(自身を除く): 400291444

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 190613, 381226, 762452, 1334291, 2668582, 5337164, 13914749, 27829498, 55658996, 97403243, 194806486, 389612972]

約数ペア:

[(1, 389612972), (2, 194806486), (4, 97403243), (7, 55658996), (14, 27829498), (28, 13914749), (73, 5337164), (146, 2668582), (292, 1334291), (511, 762452), (1022, 381226), (2044, 190613)]