281161309247

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1\times {\mathrm{18713}}^1$

素因数の和:19072

約数の個数: 48

約数和(自身を含む): 357215826240

約数和(自身を除く): 76054516993

約数列:

[1, 7, 13, 49, 91, 103, 229, 637, 721, 1339, 1603, 2977, 5047, 9373, 11221, 18713, 20839, 23587, 65611, 130991, 145873, 165109, 243269, 306631, 916937, 1155763, 1702883, 1927439, 2146417, 4285277, 11920181, 13492073, 15024919, 25056707, 29996939, 55708601, 94444511, 175396949, 209978573, 389960207, 441383531, 1227778643, 2729721449, 3089684717, 5737985903, 21627793019, 40165901321, 281161309247]

約数ペア:

[(1, 281161309247), (7, 40165901321), (13, 21627793019), (49, 5737985903), (91, 3089684717), (103, 2729721449), (229, 1227778643), (637, 441383531), (721, 389960207), (1339, 209978573), (1603, 175396949), (2977, 94444511), (5047, 55708601), (9373, 29996939), (11221, 25056707), (18713, 15024919), (20839, 13492073), (23587, 11920181), (65611, 4285277), (130991, 2146417), (145873, 1927439), (165109, 1702883), (243269, 1155763), (306631, 916937)]