221994278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{17923}}^1$

素因数の和:18499

約数の個数: 16

約数和(自身を含む): 363928896

約数和(自身を除く): 141934618

約数列:

[1, 2, 11, 22, 563, 1126, 6193, 12386, 17923, 35846, 197153, 394306, 10090649, 20181298, 110997139, 221994278]

約数ペア:

[(1, 221994278), (2, 110997139), (11, 20181298), (22, 10090649), (563, 394306), (1126, 197153), (6193, 35846), (12386, 17923)]