202171255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1801}}^1$

素因数の和:1987

約数の個数: 32

約数和(自身を含む): 286993728

約数和(自身を除く): 84822473

約数列:

[1, 5, 11, 13, 55, 65, 143, 157, 715, 785, 1727, 1801, 2041, 8635, 9005, 10205, 19811, 22451, 23413, 99055, 112255, 117065, 257543, 282757, 1287715, 1413785, 3110327, 3675841, 15551635, 18379205, 40434251, 202171255]

約数ペア:

[(1, 202171255), (5, 40434251), (11, 18379205), (13, 15551635), (55, 3675841), (65, 3110327), (143, 1413785), (157, 1287715), (715, 282757), (785, 257543), (1727, 117065), (1801, 112255), (2041, 99055), (8635, 23413), (9005, 22451), (10205, 19811)]