978013025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{18427}}^1$

素因数の和:18641

約数の個数: 24

約数和(自身を含む): 1329911904

約数和(自身を除く): 351898879

約数列:

[1, 5, 11, 25, 55, 193, 275, 965, 2123, 4825, 10615, 18427, 53075, 92135, 202697, 460675, 1013485, 3556411, 5067425, 17782055, 39120521, 88910275, 195602605, 978013025]

約数ペア:

[(1, 978013025), (5, 195602605), (11, 88910275), (25, 39120521), (55, 17782055), (193, 5067425), (275, 3556411), (965, 1013485), (2123, 460675), (4825, 202697), (10615, 92135), (18427, 53075)]