1870765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1693}}^1$

素因数の和:1728

約数の個数: 16

約数和(自身を含む): 2561328

約数和(自身を除く): 690563

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1693, 8465, 22009, 28781, 110045, 143905, 374153, 1870765]

約数ペア:

[(1, 1870765), (5, 374153), (13, 143905), (17, 110045), (65, 28781), (85, 22009), (221, 8465), (1105, 1693)]