209128868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{31667}}^1$

素因数の和:31811

約数の個数: 24

約数和(自身を含む): 397243392

約数和(自身を除く): 188114524

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3302, 6604, 31667, 63334, 126668, 411671, 823342, 1646684, 4021709, 8043418, 16086836, 52282217, 104564434, 209128868]

約数ペア:

[(1, 209128868), (2, 104564434), (4, 52282217), (13, 16086836), (26, 8043418), (52, 4021709), (127, 1646684), (254, 823342), (508, 411671), (1651, 126668), (3302, 63334), (6604, 31667)]