66778736

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{15401}}^1$

素因数の和:15680

約数の個数: 20

約数和(自身を含む): 129869664

約数和(自身を除く): 63090928

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 15401, 30802, 61604, 123208, 246416, 4173671, 8347342, 16694684, 33389368, 66778736]

約数ペア:

[(1, 66778736), (2, 33389368), (4, 16694684), (8, 8347342), (16, 4173671), (271, 246416), (542, 123208), (1084, 61604), (2168, 30802), (4336, 15401)]