291236012

素因数分解:

$2^2\times {\mathrm{163}}^1\times {\mathrm{421}}^1\times {\mathrm{1061}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 514492272

約数和(自身を除く): 223256260

約数列:

[1, 2, 4, 163, 326, 421, 652, 842, 1061, 1684, 2122, 4244, 68623, 137246, 172943, 274492, 345886, 446681, 691772, 893362, 1786724, 72809003, 145618006, 291236012]

約数ペア:

[(1, 291236012), (2, 145618006), (4, 72809003), (163, 1786724), (326, 893362), (421, 691772), (652, 446681), (842, 345886), (1061, 274492), (1684, 172943), (2122, 137246), (4244, 68623)]