287712568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{5351}}^1$

素因数の和:5428

約数の個数: 64

約数和(自身を含む): 647377920

約数和(自身を除く): 359665352

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 47, 52, 88, 94, 104, 143, 188, 286, 376, 517, 572, 611, 1034, 1144, 1222, 2068, 2444, 4136, 4888, 5351, 6721, 10702, 13442, 21404, 26884, 42808, 53768, 58861, 69563, 117722, 139126, 235444, 251497, 278252, 470888, 502994, 556504, 765193, 1005988, 1530386, 2011976, 2766467, 3060772, 3269461, 5532934, 6121544, 6538922, 11065868, 13077844, 22131736, 26155688, 35964071, 71928142, 143856284, 287712568]

約数ペア:

[(1, 287712568), (2, 143856284), (4, 71928142), (8, 35964071), (11, 26155688), (13, 22131736), (22, 13077844), (26, 11065868), (44, 6538922), (47, 6121544), (52, 5532934), (88, 3269461), (94, 3060772), (104, 2766467), (143, 2011976), (188, 1530386), (286, 1005988), (376, 765193), (517, 556504), (572, 502994), (611, 470888), (1034, 278252), (1144, 251497), (1222, 235444), (2068, 139126), (2444, 117722), (4136, 69563), (4888, 58861), (5351, 53768), (6721, 42808), (10702, 26884), (13442, 21404)]