128528491

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:763

約数の個数: 32

約数和(自身を含む): 165473280

約数和(自身を除く): 36944789

約数列:

[1, 7, 13, 37, 59, 91, 259, 413, 481, 647, 767, 2183, 3367, 4529, 5369, 8411, 15281, 23939, 28379, 38173, 58877, 167573, 198653, 267211, 311207, 496249, 1412401, 2178449, 3473743, 9886807, 18361213, 128528491]

約数ペア:

[(1, 128528491), (7, 18361213), (13, 9886807), (37, 3473743), (59, 2178449), (91, 1412401), (259, 496249), (413, 311207), (481, 267211), (647, 198653), (767, 167573), (2183, 58877), (3367, 38173), (4529, 28379), (5369, 23939), (8411, 15281)]