77928728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{11923}}^1$

素因数の和:11991

約数の個数: 32

約数和(自身を含む): 157396800

約数和(自身を除く): 79468072

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 6536, 11923, 23846, 47692, 95384, 226537, 453074, 512689, 906148, 1025378, 1812296, 2050756, 4101512, 9741091, 19482182, 38964364, 77928728]

約数ペア:

[(1, 77928728), (2, 38964364), (4, 19482182), (8, 9741091), (19, 4101512), (38, 2050756), (43, 1812296), (76, 1025378), (86, 906148), (152, 512689), (172, 453074), (344, 226537), (817, 95384), (1634, 47692), (3268, 23846), (6536, 11923)]