12724205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10303}}^1$

素因数の和:10340

約数の個数: 16

約数和(自身を含む): 17310720

約数和(自身を除く): 4586515

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 10303, 51515, 133939, 195757, 669695, 978785, 2544841, 12724205]

約数ペア:

[(1, 12724205), (5, 2544841), (13, 978785), (19, 669695), (65, 195757), (95, 133939), (247, 51515), (1235, 10303)]