205647416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{577}}^1$

素因数の和:768

約数の個数: 64

約数和(自身を含む): 436968000

約数和(自身を除く): 231320584

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 149, 184, 298, 299, 577, 596, 598, 1154, 1192, 1196, 1937, 2308, 2392, 3427, 3874, 4616, 6854, 7501, 7748, 13271, 13708, 15002, 15496, 26542, 27416, 30004, 44551, 53084, 60008, 85973, 89102, 106168, 171946, 172523, 178204, 343892, 345046, 356408, 687784, 690092, 1117649, 1380184, 1977379, 2235298, 3954758, 4470596, 7909516, 8941192, 15819032, 25705927, 51411854, 102823708, 205647416]

約数ペア:

[(1, 205647416), (2, 102823708), (4, 51411854), (8, 25705927), (13, 15819032), (23, 8941192), (26, 7909516), (46, 4470596), (52, 3954758), (92, 2235298), (104, 1977379), (149, 1380184), (184, 1117649), (298, 690092), (299, 687784), (577, 356408), (596, 345046), (598, 343892), (1154, 178204), (1192, 172523), (1196, 171946), (1937, 106168), (2308, 89102), (2392, 85973), (3427, 60008), (3874, 53084), (4616, 44551), (6854, 30004), (7501, 27416), (7748, 26542), (13271, 15496), (13708, 15002)]