256214518

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{300017}}^1$

素因数の和:300087

約数の個数: 16

約数和(自身を含む): 446426784

約数和(自身を除く): 190212266

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 300017, 600034, 2100119, 4200238, 18301037, 36602074, 128107259, 256214518]

約数ペア:

[(1, 256214518), (2, 128107259), (7, 36602074), (14, 18301037), (61, 4200238), (122, 2100119), (427, 600034), (854, 300017)]