133651856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{642557}}^1$

素因数の和:642578

約数の個数: 20

約数和(自身を含む): 278870172

約数和(自身を除く): 145218316

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 642557, 1285114, 2570228, 5140456, 8353241, 10280912, 16706482, 33412964, 66825928, 133651856]

約数ペア:

[(1, 133651856), (2, 66825928), (4, 33412964), (8, 16706482), (13, 10280912), (16, 8353241), (26, 5140456), (52, 2570228), (104, 1285114), (208, 642557)]