331340386

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{13807}}^1$

素因数の和:13906

約数の個数: 24

約数和(自身を含む): 545802624

約数和(自身を除く): 214462238

約数列:

[1, 2, 13, 26, 71, 142, 169, 338, 923, 1846, 11999, 13807, 23998, 27614, 179491, 358982, 980297, 1960594, 2333383, 4666766, 12743861, 25487722, 165670193, 331340386]

約数ペア:

[(1, 331340386), (2, 165670193), (13, 25487722), (26, 12743861), (71, 4666766), (142, 2333383), (169, 1960594), (338, 980297), (923, 358982), (1846, 179491), (11999, 27614), (13807, 23998)]