401047868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{248789}}^1$

素因数の和:248837

約数の個数: 24

約数和(自身を含む): 780205440

約数和(自身を除く): 379157572

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 248789, 497578, 995156, 3234257, 6468514, 7712459, 12937028, 15424918, 30849836, 100261967, 200523934, 401047868]

約数ペア:

[(1, 401047868), (2, 200523934), (4, 100261967), (13, 30849836), (26, 15424918), (31, 12937028), (52, 7712459), (62, 6468514), (124, 3234257), (403, 995156), (806, 497578), (1612, 248789)]