866986

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 16

約数和(自身を含む): 1358280

約数和(自身を除く): 491294

約数列:

[1, 2, 41, 82, 97, 109, 194, 218, 3977, 4469, 7954, 8938, 10573, 21146, 433493, 866986]

約数ペア:

[(1, 866986), (2, 433493), (41, 21146), (82, 10573), (97, 8938), (109, 7954), (194, 4469), (218, 3977)]