39997138

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 65172096

約数和(自身を除く): 25174958

約数列:

[1, 2, 23, 43, 46, 73, 86, 146, 277, 554, 989, 1679, 1978, 3139, 3358, 6278, 6371, 11911, 12742, 20221, 23822, 40442, 72197, 144394, 273953, 465083, 547906, 869503, 930166, 1739006, 19998569, 39997138]

約数ペア:

[(1, 39997138), (2, 19998569), (23, 1739006), (43, 930166), (46, 869503), (73, 547906), (86, 465083), (146, 273953), (277, 144394), (554, 72197), (989, 40442), (1679, 23822), (1978, 20221), (3139, 12742), (3358, 11911), (6278, 6371)]