221338418

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{385607}}^1$

素因数の和:385657

約数の個数: 16

約数和(自身を含む): 388692864

約数和(自身を除く): 167354446

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 385607, 771214, 2699249, 5398498, 15809887, 31619774, 110669209, 221338418]

約数ペア:

[(1, 221338418), (2, 110669209), (7, 31619774), (14, 15809887), (41, 5398498), (82, 2699249), (287, 771214), (574, 385607)]