221143258

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{385267}}^1$

素因数の和:385317

約数の個数: 16

約数和(自身を含む): 388350144

約数和(自身を除く): 167206886

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 385267, 770534, 2696869, 5393738, 15795947, 31591894, 110571629, 221143258]

約数ペア:

[(1, 221143258), (2, 110571629), (7, 31591894), (14, 15795947), (41, 5393738), (82, 2696869), (287, 770534), (574, 385267)]