28381418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{2521}}^1$

素因数の和:2969

約数の個数: 16

約数和(自身を含む): 45971016

約数和(自身を除く): 17589598

約数列:

[1, 2, 13, 26, 433, 866, 2521, 5042, 5629, 11258, 32773, 65546, 1091593, 2183186, 14190709, 28381418]

約数ペア:

[(1, 28381418), (2, 14190709), (13, 2183186), (26, 1091593), (433, 65546), (866, 32773), (2521, 11258), (5042, 5629)]