205128767823

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{12107}}^1$

素因数の和:12836

約数の個数: 64

約数和(自身を含む): 331414364160

約数和(自身を除く): 126285596337

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 647, 903, 1247, 1941, 3741, 4529, 8729, 12107, 13587, 18763, 26187, 27821, 36321, 56289, 83463, 84749, 131341, 194747, 254247, 351103, 394023, 520601, 584241, 806809, 1053309, 1561803, 2420427, 2457721, 3644207, 5647663, 7373163, 7833229, 10932621, 15097429, 16942989, 23499687, 45292287, 54832603, 105682003, 164497809, 227163641, 317046009, 336828847, 681490923, 1010486541, 1590145487, 2357801929, 4770436461, 7073405787, 9768036563, 29304109689, 68376255941, 205128767823]

約数ペア:

[(1, 205128767823), (3, 68376255941), (7, 29304109689), (21, 9768036563), (29, 7073405787), (43, 4770436461), (87, 2357801929), (129, 1590145487), (203, 1010486541), (301, 681490923), (609, 336828847), (647, 317046009), (903, 227163641), (1247, 164497809), (1941, 105682003), (3741, 54832603), (4529, 45292287), (8729, 23499687), (12107, 16942989), (13587, 15097429), (18763, 10932621), (26187, 7833229), (27821, 7373163), (36321, 5647663), (56289, 3644207), (83463, 2457721), (84749, 2420427), (131341, 1561803), (194747, 1053309), (254247, 806809), (351103, 584241), (394023, 520601)]