168121876

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{248701}}^1$

素因数の和:248731

約数の個数: 18

約数和(自身を含む): 318587262

約数和(自身を除く): 150465386

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 248701, 497402, 994804, 3233113, 6466226, 12932452, 42030469, 84060938, 168121876]

約数ペア:

[(1, 168121876), (2, 84060938), (4, 42030469), (13, 12932452), (26, 6466226), (52, 3233113), (169, 994804), (338, 497402), (676, 248701)]