128573809

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{2087}}^1$

素因数の和:2784

約数の個数: 16

約数和(自身を含む): 158554368

約数和(自身を除く): 29980559

約数列:

[1, 7, 13, 91, 677, 2087, 4739, 8801, 14609, 27131, 61607, 189917, 1412899, 9890293, 18367687, 128573809]

約数ペア:

[(1, 128573809), (7, 18367687), (13, 9890293), (91, 1412899), (677, 189917), (2087, 61607), (4739, 27131), (8801, 14609)]