28418416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{431}}^1$

素因数の和:769

約数の個数: 40

約数和(自身を含む): 59621184

約数和(自身を除く): 31202768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 317, 431, 634, 862, 1268, 1724, 2536, 3448, 4121, 5072, 5603, 6896, 8242, 11206, 16484, 22412, 32968, 44824, 65936, 89648, 136627, 273254, 546508, 1093016, 1776151, 2186032, 3552302, 7104604, 14209208, 28418416]

約数ペア:

[(1, 28418416), (2, 14209208), (4, 7104604), (8, 3552302), (13, 2186032), (16, 1776151), (26, 1093016), (52, 546508), (104, 273254), (208, 136627), (317, 89648), (431, 65936), (634, 44824), (862, 32968), (1268, 22412), (1724, 16484), (2536, 11206), (3448, 8242), (4121, 6896), (5072, 5603)]