28628405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{9371}}^1$

素因数の和:9436

約数の個数: 16

約数和(自身を含む): 37787904

約数和(自身を除く): 9159499

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 9371, 46855, 121823, 440437, 609115, 2202185, 5725681, 28628405]

約数ペア:

[(1, 28628405), (5, 5725681), (13, 2202185), (47, 609115), (65, 440437), (235, 121823), (611, 46855), (3055, 9371)]