289721874

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{86381}}^1$

素因数の和:86442

約数の個数: 32

約数和(自身を含む): 638535744

約数和(自身を除く): 348813870

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 86381, 172762, 259143, 518286, 1122953, 2245906, 3368859, 3714383, 6737718, 7428766, 11143149, 22286298, 48286979, 96573958, 144860937, 289721874]

約数ペア:

[(1, 289721874), (2, 144860937), (3, 96573958), (6, 48286979), (13, 22286298), (26, 11143149), (39, 7428766), (43, 6737718), (78, 3714383), (86, 3368859), (129, 2245906), (258, 1122953), (559, 518286), (1118, 259143), (1677, 172762), (3354, 86381)]