778888836

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{85517}}^1$

素因数の和:85561

約数の個数: 72

約数和(自身を含む): 2241255744

約数和(自身を除く): 1462366908

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 44, 46, 66, 69, 92, 99, 132, 138, 198, 207, 253, 276, 396, 414, 506, 759, 828, 1012, 1518, 2277, 3036, 4554, 9108, 85517, 171034, 256551, 342068, 513102, 769653, 940687, 1026204, 1539306, 1881374, 1966891, 2822061, 3078612, 3762748, 3933782, 5644122, 5900673, 7867564, 8466183, 11288244, 11801346, 16932366, 17702019, 21635801, 23602692, 33864732, 35404038, 43271602, 64907403, 70808076, 86543204, 129814806, 194722209, 259629612, 389444418, 778888836]

約数ペア:

[(1, 778888836), (2, 389444418), (3, 259629612), (4, 194722209), (6, 129814806), (9, 86543204), (11, 70808076), (12, 64907403), (18, 43271602), (22, 35404038), (23, 33864732), (33, 23602692), (36, 21635801), (44, 17702019), (46, 16932366), (66, 11801346), (69, 11288244), (92, 8466183), (99, 7867564), (132, 5900673), (138, 5644122), (198, 3933782), (207, 3762748), (253, 3078612), (276, 2822061), (396, 1966891), (414, 1881374), (506, 1539306), (759, 1026204), (828, 940687), (1012, 769653), (1518, 513102), (2277, 342068), (3036, 256551), (4554, 171034), (9108, 85517)]