81299005

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 104543352

約数和(自身を除く): 23244347

約数列:

[1, 5, 19, 73, 95, 361, 365, 617, 1387, 1805, 3085, 6935, 11723, 26353, 45041, 58615, 131765, 222737, 225205, 855779, 1113685, 4278895, 16259801, 81299005]

約数ペア:

[(1, 81299005), (5, 16259801), (19, 4278895), (73, 1113685), (95, 855779), (361, 225205), (365, 222737), (617, 131765), (1387, 58615), (1805, 45041), (3085, 26353), (6935, 11723)]