28278926

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{6287}}^1$

素因数の和:6475

約数の個数: 16

約数和(自身を含む): 45952704

約数和(自身を除く): 17673778

約数列:

[1, 2, 13, 26, 173, 346, 2249, 4498, 6287, 12574, 81731, 163462, 1087651, 2175302, 14139463, 28278926]

約数ペア:

[(1, 28278926), (2, 14139463), (13, 2175302), (26, 1087651), (173, 163462), (346, 81731), (2249, 12574), (4498, 6287)]