2047565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 2836680

約数和(自身を除く): 789115

約数列:

[1, 5, 13, 17, 65, 85, 109, 221, 289, 545, 1105, 1417, 1445, 1853, 3757, 7085, 9265, 18785, 24089, 31501, 120445, 157505, 409513, 2047565]

約数ペア:

[(1, 2047565), (5, 409513), (13, 157505), (17, 120445), (65, 31501), (85, 24089), (109, 18785), (221, 9265), (289, 7085), (545, 3757), (1105, 1853), (1417, 1445)]