128784537215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{1279}}^1\times {\mathrm{875579}}^1$

素因数の和:876886

約数の個数: 16

約数和(自身を含む): 161386905600

約数和(自身を除く): 32602368385

約数列:

[1, 5, 23, 115, 1279, 6395, 29417, 147085, 875579, 4377895, 20138317, 100691585, 1119865541, 5599327705, 25756907443, 128784537215]

約数ペア:

[(1, 128784537215), (5, 25756907443), (23, 5599327705), (115, 1119865541), (1279, 100691585), (6395, 20138317), (29417, 4377895), (147085, 875579)]