8640515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{433}}^1$

素因数の和:758

約数の個数: 16

約数和(自身を含む): 11228448

約数和(自身を除く): 2587933

約数列:

[1, 5, 13, 65, 307, 433, 1535, 2165, 3991, 5629, 19955, 28145, 132931, 664655, 1728103, 8640515]

約数ペア:

[(1, 8640515), (5, 1728103), (13, 664655), (65, 132931), (307, 28145), (433, 19955), (1535, 5629), (2165, 3991)]