1388894221

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{373}}^1\times {\mathrm{2003}}^1$

素因数の和:2413

約数の個数: 24

約数和(自身を含む): 1645893216

約数和(自身を除く): 256998995

約数列:

[1, 11, 13, 143, 169, 373, 1859, 2003, 4103, 4849, 22033, 26039, 53339, 63037, 286429, 338507, 693407, 747119, 3723577, 8218309, 9712547, 106838017, 126263111, 1388894221]

約数ペア:

[(1, 1388894221), (11, 126263111), (13, 106838017), (143, 9712547), (169, 8218309), (373, 3723577), (1859, 747119), (2003, 693407), (4103, 338507), (4849, 286429), (22033, 63037), (26039, 53339)]