217967428

素因数分解:

$2^2\times 7^1\times {\mathrm{827}}^1\times {\mathrm{9413}}^1$

素因数の和:10251

約数の個数: 24

約数和(自身を含む): 436508352

約数和(自身を除く): 218540924

約数列:

[1, 2, 4, 7, 14, 28, 827, 1654, 3308, 5789, 9413, 11578, 18826, 23156, 37652, 65891, 131782, 263564, 7784551, 15569102, 31138204, 54491857, 108983714, 217967428]

約数ペア:

[(1, 217967428), (2, 108983714), (4, 54491857), (7, 31138204), (14, 15569102), (28, 7784551), (827, 263564), (1654, 131782), (3308, 65891), (5789, 37652), (9413, 23156), (11578, 18826)]