1296752890

素因数分解:

$2^1\times 5^1\times {\mathrm{6949}}^1\times {\mathrm{18661}}^1$

素因数の和:25617

約数の個数: 16

約数和(自身を含む): 2334616200

約数和(自身を除く): 1037863310

約数列:

[1, 2, 5, 10, 6949, 13898, 18661, 34745, 37322, 69490, 93305, 186610, 129675289, 259350578, 648376445, 1296752890]

約数ペア:

[(1, 1296752890), (2, 648376445), (5, 259350578), (10, 129675289), (6949, 186610), (13898, 93305), (18661, 69490), (34745, 37322)]