202153985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 273297024

約数和(自身を除く): 71143039

約数列:

[1, 5, 11, 41, 55, 157, 205, 451, 571, 785, 1727, 2255, 2855, 6281, 6437, 8635, 23411, 31405, 32185, 70807, 89647, 117055, 257521, 354035, 448235, 986117, 1287605, 3675527, 4930585, 18377635, 40430797, 202153985]

約数ペア:

[(1, 202153985), (5, 40430797), (11, 18377635), (41, 4930585), (55, 3675527), (157, 1287605), (205, 986117), (451, 448235), (571, 354035), (785, 257521), (1727, 117055), (2255, 89647), (2855, 70807), (6281, 32185), (6437, 31405), (8635, 23411)]