399424612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{111821}}^1$

素因数の和:111891

約数の個数: 24

約数和(自身を含む): 751443840

約数和(自身を除く): 352019228

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1786, 3572, 111821, 223642, 447284, 2124599, 4249198, 5255587, 8498396, 10511174, 21022348, 99856153, 199712306, 399424612]

約数ペア:

[(1, 399424612), (2, 199712306), (4, 99856153), (19, 21022348), (38, 10511174), (47, 8498396), (76, 5255587), (94, 4249198), (188, 2124599), (893, 447284), (1786, 223642), (3572, 111821)]