28147808

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1047

約数の個数: 48

約数和(自身を含む): 60582816

約数和(自身を除く): 32435008

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 104, 142, 208, 284, 416, 568, 923, 953, 1136, 1846, 1906, 2272, 3692, 3812, 7384, 7624, 12389, 14768, 15248, 24778, 29536, 30496, 49556, 67663, 99112, 135326, 198224, 270652, 396448, 541304, 879619, 1082608, 1759238, 2165216, 3518476, 7036952, 14073904, 28147808]

約数ペア:

[(1, 28147808), (2, 14073904), (4, 7036952), (8, 3518476), (13, 2165216), (16, 1759238), (26, 1082608), (32, 879619), (52, 541304), (71, 396448), (104, 270652), (142, 198224), (208, 135326), (284, 99112), (416, 67663), (568, 49556), (923, 30496), (953, 29536), (1136, 24778), (1846, 15248), (1906, 14768), (2272, 12389), (3692, 7624), (3812, 7384)]