138956848

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{53281}}^1$

素因数の和:53452

約数の個数: 20

約数和(自身を含む): 270885688

約数和(自身を除く): 131928840

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 53281, 106562, 213124, 426248, 852496, 8684803, 17369606, 34739212, 69478424, 138956848]

約数ペア:

[(1, 138956848), (2, 69478424), (4, 34739212), (8, 17369606), (16, 8684803), (163, 852496), (326, 426248), (652, 213124), (1304, 106562), (2608, 53281)]