28557390849

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1\times {\mathrm{1427}}^1$

素因数の和:1814

約数の個数: 64

約数和(自身を含む): 43758489600

約数和(自身を除く): 15201098751

約数列:

[1, 3, 13, 19, 39, 57, 113, 239, 247, 339, 717, 741, 1427, 1469, 2147, 3107, 4281, 4407, 4541, 6441, 9321, 13623, 18551, 27007, 27113, 27911, 55653, 59033, 81021, 81339, 83733, 161251, 177099, 341053, 351091, 352469, 483753, 513133, 1023159, 1053273, 1057407, 1539399, 2096263, 3063769, 4433689, 6288789, 6480007, 6670729, 9191307, 13301067, 19440021, 20012187, 38538989, 39828997, 84240091, 115616967, 119486991, 252720273, 501006857, 732240791, 1503020571, 2196722373, 9519130283, 28557390849]

約数ペア:

[(1, 28557390849), (3, 9519130283), (13, 2196722373), (19, 1503020571), (39, 732240791), (57, 501006857), (113, 252720273), (239, 119486991), (247, 115616967), (339, 84240091), (717, 39828997), (741, 38538989), (1427, 20012187), (1469, 19440021), (2147, 13301067), (3107, 9191307), (4281, 6670729), (4407, 6480007), (4541, 6288789), (6441, 4433689), (9321, 3063769), (13623, 2096263), (18551, 1539399), (27007, 1057407), (27113, 1053273), (27911, 1023159), (55653, 513133), (59033, 483753), (81021, 352469), (81339, 351091), (83733, 341053), (161251, 177099)]