2611115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 3610320

約数和(自身を除く): 999205

約数列:

[1, 5, 13, 17, 65, 85, 139, 221, 289, 695, 1105, 1445, 1807, 2363, 3757, 9035, 11815, 18785, 30719, 40171, 153595, 200855, 522223, 2611115]

約数ペア:

[(1, 2611115), (5, 522223), (13, 200855), (17, 153595), (65, 40171), (85, 30719), (139, 18785), (221, 11815), (289, 9035), (695, 3757), (1105, 2363), (1445, 1807)]