28668848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137831}}^1$

素因数の和:137852

約数の個数: 20

約数和(自身を含む): 59819088

約数和(自身を除く): 31150240

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137831, 275662, 551324, 1102648, 1791803, 2205296, 3583606, 7167212, 14334424, 28668848]

約数ペア:

[(1, 28668848), (2, 14334424), (4, 7167212), (8, 3583606), (13, 2205296), (16, 1791803), (26, 1102648), (52, 551324), (104, 275662), (208, 137831)]