131207216

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{28573}}^1$

素因数の和:28629

約数の個数: 40

約数和(自身を含む): 297626784

約数和(自身を除く): 166419568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4592, 28573, 57146, 114292, 200011, 228584, 400022, 457168, 800044, 1171493, 1600088, 2342986, 3200176, 4685972, 8200451, 9371944, 16400902, 18743888, 32801804, 65603608, 131207216]

約数ペア:

[(1, 131207216), (2, 65603608), (4, 32801804), (7, 18743888), (8, 16400902), (14, 9371944), (16, 8200451), (28, 4685972), (41, 3200176), (56, 2342986), (82, 1600088), (112, 1171493), (164, 800044), (287, 457168), (328, 400022), (574, 228584), (656, 200011), (1148, 114292), (2296, 57146), (4592, 28573)]