291228188

素因数分解:

$2^2\times {\mathrm{163}}^1\times {\mathrm{223}}^1\times {\mathrm{2003}}^1$

素因数の和:2393

約数の個数: 24

約数和(自身を含む): 515332608

約数和(自身を除く): 224104420

約数列:

[1, 2, 4, 163, 223, 326, 446, 652, 892, 2003, 4006, 8012, 36349, 72698, 145396, 326489, 446669, 652978, 893338, 1305956, 1786676, 72807047, 145614094, 291228188]

約数ペア:

[(1, 291228188), (2, 145614094), (4, 72807047), (163, 1786676), (223, 1305956), (326, 893338), (446, 652978), (652, 446669), (892, 326489), (2003, 145396), (4006, 72698), (8012, 36349)]