28399774

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{1151}}^1$

素因数の和:1252

約数の個数: 24

約数和(自身を含む): 46801152

約数和(自身を除く): 18401378

約数列:

[1, 2, 13, 26, 73, 146, 169, 338, 949, 1151, 1898, 2302, 12337, 14963, 24674, 29926, 84023, 168046, 194519, 389038, 1092299, 2184598, 14199887, 28399774]

約数ペア:

[(1, 28399774), (2, 14199887), (13, 2184598), (26, 1092299), (73, 389038), (146, 194519), (169, 168046), (338, 84023), (949, 29926), (1151, 24674), (1898, 14963), (2302, 12337)]