1997702944

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{727}}^1\times {\mathrm{1997}}^1$

素因数の和:2777

約数の個数: 48

約数和(自身を含む): 4031995968

約数和(自身を除く): 2034293024

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 727, 1376, 1454, 1997, 2908, 3994, 5816, 7988, 11632, 15976, 23264, 31261, 31952, 62522, 63904, 85871, 125044, 171742, 250088, 343484, 500176, 686968, 1000352, 1373936, 1451819, 2747872, 2903638, 5807276, 11614552, 23229104, 46458208, 62428217, 124856434, 249712868, 499425736, 998851472, 1997702944]

約数ペア:

[(1, 1997702944), (2, 998851472), (4, 499425736), (8, 249712868), (16, 124856434), (32, 62428217), (43, 46458208), (86, 23229104), (172, 11614552), (344, 5807276), (688, 2903638), (727, 2747872), (1376, 1451819), (1454, 1373936), (1997, 1000352), (2908, 686968), (3994, 500176), (5816, 343484), (7988, 250088), (11632, 171742), (15976, 125044), (23264, 85871), (31261, 63904), (31952, 62522)]