28081328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{159553}}^1$

素因数の和:159572

約数の個数: 20

約数和(自身を含む): 59354088

約数和(自身を除く): 31272760

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 159553, 319106, 638212, 1276424, 1755083, 2552848, 3510166, 7020332, 14040664, 28081328]

約数ペア:

[(1, 28081328), (2, 14040664), (4, 7020332), (8, 3510166), (11, 2552848), (16, 1755083), (22, 1276424), (44, 638212), (88, 319106), (176, 159553)]