8219315

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 10909728

約数和(自身を除く): 2690413

約数列:

[1, 5, 13, 65, 71, 137, 169, 355, 685, 845, 923, 1781, 4615, 8905, 9727, 11999, 23153, 48635, 59995, 115765, 126451, 632255, 1643863, 8219315]

約数ペア:

[(1, 8219315), (5, 1643863), (13, 632255), (65, 126451), (71, 115765), (137, 59995), (169, 48635), (355, 23153), (685, 11999), (845, 9727), (923, 8905), (1781, 4615)]