12803128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 26001360

約数和(自身を除く): 13198232

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 307, 401, 614, 802, 1228, 1604, 2456, 3208, 3991, 5213, 7982, 10426, 15964, 20852, 31928, 41704, 123107, 246214, 492428, 984856, 1600391, 3200782, 6401564, 12803128]

約数ペア:

[(1, 12803128), (2, 6401564), (4, 3200782), (8, 1600391), (13, 984856), (26, 492428), (52, 246214), (104, 123107), (307, 41704), (401, 31928), (614, 20852), (802, 15964), (1228, 10426), (1604, 7982), (2456, 5213), (3208, 3991)]