139640405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{39727}}^1$

素因数の和:39788

約数の個数: 16

約数和(自身を含む): 181159680

約数和(自身を除く): 41519275

約数列:

[1, 5, 19, 37, 95, 185, 703, 3515, 39727, 198635, 754813, 1469899, 3774065, 7349495, 27928081, 139640405]

約数ペア:

[(1, 139640405), (5, 27928081), (19, 7349495), (37, 3774065), (95, 1469899), (185, 754813), (703, 198635), (3515, 39727)]