426880355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 567822528

約数和(自身を除く): 140942173

約数列:

[1, 5, 11, 55, 137, 181, 313, 685, 905, 1507, 1565, 1991, 3443, 7535, 9955, 17215, 24797, 42881, 56653, 123985, 214405, 272767, 283265, 471691, 623183, 1363835, 2358455, 3115915, 7761461, 38807305, 85376071, 426880355]

約数ペア:

[(1, 426880355), (5, 85376071), (11, 38807305), (55, 7761461), (137, 3115915), (181, 2358455), (313, 1363835), (685, 623183), (905, 471691), (1507, 283265), (1565, 272767), (1991, 214405), (3443, 123985), (7535, 56653), (9955, 42881), (17215, 24797)]