28064478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{2129}}^1$

素因数の和:2173

約数の個数: 32

約数和(自身を含む): 60832800

約数和(自身を除く): 32768322

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 2129, 2197, 4258, 4394, 6387, 6591, 12774, 13182, 27677, 55354, 83031, 166062, 359801, 719602, 1079403, 2158806, 4677413, 9354826, 14032239, 28064478]

約数ペア:

[(1, 28064478), (2, 14032239), (3, 9354826), (6, 4677413), (13, 2158806), (26, 1079403), (39, 719602), (78, 359801), (169, 166062), (338, 83031), (507, 55354), (1014, 27677), (2129, 13182), (2197, 12774), (4258, 6591), (4394, 6387)]