664570738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{953}}^1\times {\mathrm{26821}}^1$

素因数の和:27789

約数の個数: 16

約数和(自身を含む): 1074703896

約数和(自身を除く): 410133158

約数列:

[1, 2, 13, 26, 953, 1906, 12389, 24778, 26821, 53642, 348673, 697346, 25560413, 51120826, 332285369, 664570738]

約数ペア:

[(1, 664570738), (2, 332285369), (13, 51120826), (26, 25560413), (953, 697346), (1906, 348673), (12389, 53642), (24778, 26821)]