8438365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 10999296

約数和(自身を除く): 2560931

約数列:

[1, 5, 13, 65, 131, 655, 991, 1703, 4955, 8515, 12883, 64415, 129821, 649105, 1687673, 8438365]

約数ペア:

[(1, 8438365), (5, 1687673), (13, 649105), (65, 129821), (131, 64415), (655, 12883), (991, 8515), (1703, 4955)]