39780454

素因数分解:

$2^1\times 7^3\times {\mathrm{103}}^1\times {\mathrm{563}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 70387200

約数和(自身を除く): 30606746

約数列:

[1, 2, 7, 14, 49, 98, 103, 206, 343, 563, 686, 721, 1126, 1442, 3941, 5047, 7882, 10094, 27587, 35329, 55174, 57989, 70658, 115978, 193109, 386218, 405923, 811846, 2841461, 5682922, 19890227, 39780454]

約数ペア:

[(1, 39780454), (2, 19890227), (7, 5682922), (14, 2841461), (49, 811846), (98, 405923), (103, 386218), (206, 193109), (343, 115978), (563, 70658), (686, 57989), (721, 55174), (1126, 35329), (1442, 27587), (3941, 10094), (5047, 7882)]