420909895

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{2141}}^1$

素因数の和:2331

約数の個数: 32

約数和(自身を含む): 595921536

約数和(自身を除く): 175011641

約数列:

[1, 5, 7, 35, 41, 137, 205, 287, 685, 959, 1435, 2141, 4795, 5617, 10705, 14987, 28085, 39319, 74935, 87781, 196595, 293317, 438905, 614467, 1466585, 2053219, 3072335, 10266095, 12025997, 60129985, 84181979, 420909895]

約数ペア:

[(1, 420909895), (5, 84181979), (7, 60129985), (35, 12025997), (41, 10266095), (137, 3072335), (205, 2053219), (287, 1466585), (685, 614467), (959, 438905), (1435, 293317), (2141, 196595), (4795, 87781), (5617, 74935), (10705, 39319), (14987, 28085)]