28376465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{8237}}^1$

素因数の和:8308

約数の個数: 16

約数和(自身を含む): 37367568

約数和(自身を除く): 8991103

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 8237, 41185, 107081, 436561, 535405, 2182805, 5675293, 28376465]

約数ペア:

[(1, 28376465), (5, 5675293), (13, 2182805), (53, 535405), (65, 436561), (265, 107081), (689, 41185), (3445, 8237)]