399857332

素因数分解:

$2^2\times 7^1\times {\mathrm{839}}^1\times {\mathrm{17021}}^1$

素因数の和:17871

約数の個数: 24

約数和(自身を含む): 800714880

約数和(自身を除く): 400857548

約数列:

[1, 2, 4, 7, 14, 28, 839, 1678, 3356, 5873, 11746, 17021, 23492, 34042, 68084, 119147, 238294, 476588, 14280619, 28561238, 57122476, 99964333, 199928666, 399857332]

約数ペア:

[(1, 399857332), (2, 199928666), (4, 99964333), (7, 57122476), (14, 28561238), (28, 14280619), (839, 476588), (1678, 238294), (3356, 119147), (5873, 68084), (11746, 34042), (17021, 23492)]