126817678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{18979}}^1$

素因数の和:19251

約数の個数: 16

約数和(自身を含む): 205667280

約数和(自身を除く): 78849602

約数列:

[1, 2, 13, 26, 257, 514, 3341, 6682, 18979, 37958, 246727, 493454, 4877603, 9755206, 63408839, 126817678]

約数ペア:

[(1, 126817678), (2, 63408839), (13, 9755206), (26, 4877603), (257, 493454), (514, 246727), (3341, 37958), (6682, 18979)]