998855

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:167

約数の個数: 24

約数和(自身を含む): 1430016

約数和(自身を除く): 431161

約数列:

[1, 5, 11, 13, 55, 65, 121, 127, 143, 605, 635, 715, 1397, 1573, 1651, 6985, 7865, 8255, 15367, 18161, 76835, 90805, 199771, 998855]

約数ペア:

[(1, 998855), (5, 199771), (11, 90805), (13, 76835), (55, 18161), (65, 15367), (121, 8255), (127, 7865), (143, 6985), (605, 1651), (635, 1573), (715, 1397)]