20161578525

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{251941}}^1$

素因数の和:252062

約数の個数: 48

約数和(自身を含む): 36739190208

約数和(自身を除く): 16577611683

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 97, 165, 275, 291, 485, 825, 1067, 1455, 2425, 3201, 5335, 7275, 16005, 26675, 80025, 251941, 755823, 1259705, 2771351, 3779115, 6298525, 8314053, 13856755, 18895575, 24438277, 41570265, 69283775, 73314831, 122191385, 207851325, 268821047, 366574155, 610956925, 806463141, 1344105235, 1832870775, 4032315705, 6720526175, 20161578525]

約数ペア:

[(1, 20161578525), (3, 6720526175), (5, 4032315705), (11, 1832870775), (15, 1344105235), (25, 806463141), (33, 610956925), (55, 366574155), (75, 268821047), (97, 207851325), (165, 122191385), (275, 73314831), (291, 69283775), (485, 41570265), (825, 24438277), (1067, 18895575), (1455, 13856755), (2425, 8314053), (3201, 6298525), (5335, 3779115), (7275, 2771351), (16005, 1259705), (26675, 755823), (80025, 251941)]