12721735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10301}}^1$

素因数の和:10338

約数の個数: 16

約数和(自身を含む): 17307360

約数和(自身を除く): 4585625

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 10301, 51505, 133913, 195719, 669565, 978595, 2544347, 12721735]

約数ペア:

[(1, 12721735), (5, 2544347), (13, 978595), (19, 669565), (65, 195719), (95, 133913), (247, 51505), (1235, 10301)]