215820892

素因数分解:

$2^2\times 7^2\times {\mathrm{1101127}}^1$

素因数の和:1101145

約数の個数: 18

約数和(自身を含む): 439350072

約数和(自身を除く): 223529180

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1101127, 2202254, 4404508, 7707889, 15415778, 30831556, 53955223, 107910446, 215820892]

約数ペア:

[(1, 215820892), (2, 107910446), (4, 53955223), (7, 30831556), (14, 15415778), (28, 7707889), (49, 4404508), (98, 2202254), (196, 1101127)]