72217405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{10193}}^1$

素因数の和:10320

約数の個数: 16

約数和(自身を含む): 94192560

約数和(自身を除く): 21975155

約数列:

[1, 5, 13, 65, 109, 545, 1417, 7085, 10193, 50965, 132509, 662545, 1111037, 5555185, 14443481, 72217405]

約数ペア:

[(1, 72217405), (5, 14443481), (13, 5555185), (65, 1111037), (109, 662545), (545, 132509), (1417, 50965), (7085, 10193)]