138439652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{20963}}^1$

素因数の和:21107

約数の個数: 24

約数和(自身を含む): 262972416

約数和(自身を除く): 124532764

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3302, 6604, 20963, 41926, 83852, 272519, 545038, 1090076, 2662301, 5324602, 10649204, 34609913, 69219826, 138439652]

約数ペア:

[(1, 138439652), (2, 69219826), (4, 34609913), (13, 10649204), (26, 5324602), (52, 2662301), (127, 1090076), (254, 545038), (508, 272519), (1651, 83852), (3302, 41926), (6604, 20963)]