201605105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163243}}^1$

素因数の和:163280

約数の個数: 16

約数和(自身を含む): 274249920

約数和(自身を除く): 72644815

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 163243, 816215, 2122159, 3101617, 10610795, 15508085, 40321021, 201605105]

約数ペア:

[(1, 201605105), (5, 40321021), (13, 15508085), (19, 10610795), (65, 3101617), (95, 2122159), (247, 816215), (1235, 163243)]