30891445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3469}}^1$

素因数の和:3624

約数の個数: 16

約数和(自身を含む): 40224240

約数和(自身を除く): 9332795

約数列:

[1, 5, 13, 65, 137, 685, 1781, 3469, 8905, 17345, 45097, 225485, 475253, 2376265, 6178289, 30891445]

約数ペア:

[(1, 30891445), (5, 6178289), (13, 2376265), (65, 475253), (137, 225485), (685, 45097), (1781, 17345), (3469, 8905)]