400071476

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{88747}}^1$

素因数の和:88788

約数の個数: 36

約数和(自身を含む): 849850848

約数和(自身を除く): 449779372

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 88747, 177494, 354988, 621229, 1242458, 2041181, 2484916, 4082362, 4348603, 8164724, 8697206, 14288267, 17394412, 28576534, 57153068, 100017869, 200035738, 400071476]

約数ペア:

[(1, 400071476), (2, 200035738), (4, 100017869), (7, 57153068), (14, 28576534), (23, 17394412), (28, 14288267), (46, 8697206), (49, 8164724), (92, 4348603), (98, 4082362), (161, 2484916), (196, 2041181), (322, 1242458), (644, 621229), (1127, 354988), (2254, 177494), (4508, 88747)]