857346

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 1987200

約数和(自身を除く): 1129854

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 137, 149, 274, 298, 411, 447, 822, 894, 959, 1043, 1918, 2086, 2877, 3129, 5754, 6258, 20413, 40826, 61239, 122478, 142891, 285782, 428673, 857346]

約数ペア:

[(1, 857346), (2, 428673), (3, 285782), (6, 142891), (7, 122478), (14, 61239), (21, 40826), (42, 20413), (137, 6258), (149, 5754), (274, 3129), (298, 2877), (411, 2086), (447, 1918), (822, 1043), (894, 959)]