128165786

素因数分解:

$2^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{32579}}^1$

素因数の和:32869

約数の個数: 16

約数和(自身を含む): 220501440

約数和(自身を除く): 92335654

約数列:

[1, 2, 7, 14, 281, 562, 1967, 3934, 32579, 65158, 228053, 456106, 9154699, 18309398, 64082893, 128165786]

約数ペア:

[(1, 128165786), (2, 64082893), (7, 18309398), (14, 9154699), (281, 456106), (562, 228053), (1967, 65158), (3934, 32579)]