221157854

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{13553}}^1$

素因数の和:13795

約数の個数: 16

約数和(自身を含む): 341560800

約数和(自身を除く): 120402946

約数列:

[1, 2, 41, 82, 199, 398, 8159, 13553, 16318, 27106, 555673, 1111346, 2697047, 5394094, 110578927, 221157854]

約数ペア:

[(1, 221157854), (2, 110578927), (41, 5394094), (82, 2697047), (199, 1111346), (398, 555673), (8159, 27106), (13553, 16318)]