221211284

素因数分解:

$2^2\times 7^2\times {\mathrm{1128629}}^1$

素因数の和:1128647

約数の個数: 18

約数和(自身を含む): 450323370

約数和(自身を除く): 229112086

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1128629, 2257258, 4514516, 7900403, 15800806, 31601612, 55302821, 110605642, 221211284]

約数ペア:

[(1, 221211284), (2, 110605642), (4, 55302821), (7, 31601612), (14, 15800806), (28, 7900403), (49, 4514516), (98, 2257258), (196, 1128629)]