980937178

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{20879}}^1$

素因数の和:21046

約数の個数: 24

約数和(自身を含む): 1604836800

約数和(自身を除く): 623899622

約数列:

[1, 2, 13, 26, 139, 169, 278, 338, 1807, 3614, 20879, 23491, 41758, 46982, 271427, 542854, 2902181, 3528551, 5804362, 7057102, 37728353, 75456706, 490468589, 980937178]

約数ペア:

[(1, 980937178), (2, 490468589), (13, 75456706), (26, 37728353), (139, 7057102), (169, 5804362), (278, 3528551), (338, 2902181), (1807, 542854), (3614, 271427), (20879, 46982), (23491, 41758)]