28339766

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5023}}^1$

素因数の和:5076

約数の個数: 32

約数和(自身を含む): 54018048

約数和(自身を除く): 25678282

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5023, 5642, 10046, 35161, 65299, 70322, 130598, 155713, 311426, 457093, 914186, 1089991, 2024269, 2179982, 4048538, 14169883, 28339766]

約数ペア:

[(1, 28339766), (2, 14169883), (7, 4048538), (13, 2179982), (14, 2024269), (26, 1089991), (31, 914186), (62, 457093), (91, 311426), (182, 155713), (217, 130598), (403, 70322), (434, 65299), (806, 35161), (2821, 10046), (5023, 5642)]