285780976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{72313}}^1$

素因数の和:72353

約数の個数: 40

約数和(自身を含む): 627685520

約数和(自身を除く): 341904544

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 72313, 144626, 289252, 578504, 940069, 1157008, 1373947, 1880138, 2747894, 3760276, 5495788, 7520552, 10991576, 15041104, 17861311, 21983152, 35722622, 71445244, 142890488, 285780976]

約数ペア:

[(1, 285780976), (2, 142890488), (4, 71445244), (8, 35722622), (13, 21983152), (16, 17861311), (19, 15041104), (26, 10991576), (38, 7520552), (52, 5495788), (76, 3760276), (104, 2747894), (152, 1880138), (208, 1373947), (247, 1157008), (304, 940069), (494, 578504), (988, 289252), (1976, 144626), (3952, 72313)]