1325776

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 40

約数和(自身を含む): 2749824

約数和(自身を除く): 1424048

約数列:

[1, 2, 4, 8, 16, 41, 43, 47, 82, 86, 94, 164, 172, 188, 328, 344, 376, 656, 688, 752, 1763, 1927, 2021, 3526, 3854, 4042, 7052, 7708, 8084, 14104, 15416, 16168, 28208, 30832, 32336, 82861, 165722, 331444, 662888, 1325776]

約数ペア:

[(1, 1325776), (2, 662888), (4, 331444), (8, 165722), (16, 82861), (41, 32336), (43, 30832), (47, 28208), (82, 16168), (86, 15416), (94, 14104), (164, 8084), (172, 7708), (188, 7052), (328, 4042), (344, 3854), (376, 3526), (656, 2021), (688, 1927), (752, 1763)]