290477876

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{429701}}^1$

素因数の和:429731

約数の個数: 18

約数和(自身を含む): 550448262

約数和(自身を除く): 259970386

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 429701, 859402, 1718804, 5586113, 11172226, 22344452, 72619469, 145238938, 290477876]

約数ペア:

[(1, 290477876), (2, 145238938), (4, 72619469), (13, 22344452), (26, 11172226), (52, 5586113), (169, 1718804), (338, 859402), (676, 429701)]