28399878

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{121367}}^1$

素因数の和:121388

約数の個数: 24

約数和(自身を含む): 66266928

約数和(自身を除く): 37867050

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 121367, 242734, 364101, 728202, 1092303, 1577771, 2184606, 3155542, 4733313, 9466626, 14199939, 28399878]

約数ペア:

[(1, 28399878), (2, 14199939), (3, 9466626), (6, 4733313), (9, 3155542), (13, 2184606), (18, 1577771), (26, 1092303), (39, 728202), (78, 364101), (117, 242734), (234, 121367)]