1220765

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2683}}^1$

素因数の和:2708

約数の個数: 16

約数和(自身を含む): 1803648

約数和(自身を除く): 582883

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 2683, 13415, 18781, 34879, 93905, 174395, 244153, 1220765]

約数ペア:

[(1, 1220765), (5, 244153), (7, 174395), (13, 93905), (35, 34879), (65, 18781), (91, 13415), (455, 2683)]