857356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 1638000

約数和(自身を除く): 780644

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 389, 551, 778, 1102, 1556, 2204, 7391, 11281, 14782, 22562, 29564, 45124, 214339, 428678, 857356]

約数ペア:

[(1, 857356), (2, 428678), (4, 214339), (19, 45124), (29, 29564), (38, 22562), (58, 14782), (76, 11281), (116, 7391), (389, 2204), (551, 1556), (778, 1102)]