1420332745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67651}}^1$

素因数の和:67705

約数の個数: 32

約数和(自身を含む): 2045796480

約数和(自身を除く): 625463735

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 4199, 20995, 67651, 338255, 879463, 1150067, 1285369, 4397315, 5750335, 6426845, 14950871, 16709797, 21851273, 74754355, 83548985, 109256365, 284066549, 1420332745]

約数ペア:

[(1, 1420332745), (5, 284066549), (13, 109256365), (17, 83548985), (19, 74754355), (65, 21851273), (85, 16709797), (95, 14950871), (221, 6426845), (247, 5750335), (323, 4397315), (1105, 1285369), (1235, 1150067), (1615, 879463), (4199, 338255), (20995, 67651)]