81408408

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1061}}^1$

素因数の和:1232

約数の個数: 64

約数和(自身を含む): 214099200

約数和(自身を除く): 132690792

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 139, 184, 276, 278, 417, 552, 556, 834, 1061, 1112, 1668, 2122, 3183, 3197, 3336, 4244, 6366, 6394, 8488, 9591, 12732, 12788, 19182, 24403, 25464, 25576, 38364, 48806, 73209, 76728, 97612, 146418, 147479, 195224, 292836, 294958, 442437, 585672, 589916, 884874, 1179832, 1769748, 3392017, 3539496, 6784034, 10176051, 13568068, 20352102, 27136136, 40704204, 81408408]

約数ペア:

[(1, 81408408), (2, 40704204), (3, 27136136), (4, 20352102), (6, 13568068), (8, 10176051), (12, 6784034), (23, 3539496), (24, 3392017), (46, 1769748), (69, 1179832), (92, 884874), (138, 589916), (139, 585672), (184, 442437), (276, 294958), (278, 292836), (417, 195224), (552, 147479), (556, 146418), (834, 97612), (1061, 76728), (1112, 73209), (1668, 48806), (2122, 38364), (3183, 25576), (3197, 25464), (3336, 24403), (4244, 19182), (6366, 12788), (6394, 12732), (8488, 9591)]