51321244

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 54

約数和(自身を含む): 101762640

約数和(自身を除く): 50441396

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 79, 124, 158, 169, 316, 338, 403, 676, 806, 961, 1027, 1612, 1922, 2054, 2449, 3844, 4108, 4898, 5239, 9796, 10478, 12493, 13351, 20956, 24986, 26702, 31837, 49972, 53404, 63674, 75919, 127348, 151838, 162409, 303676, 324818, 413881, 649636, 827762, 986947, 1655524, 1973894, 3947788, 12830311, 25660622, 51321244]

約数ペア:

[(1, 51321244), (2, 25660622), (4, 12830311), (13, 3947788), (26, 1973894), (31, 1655524), (52, 986947), (62, 827762), (79, 649636), (124, 413881), (158, 324818), (169, 303676), (316, 162409), (338, 151838), (403, 127348), (676, 75919), (806, 63674), (961, 53404), (1027, 49972), (1612, 31837), (1922, 26702), (2054, 24986), (2449, 20956), (3844, 13351), (4108, 12493), (4898, 10478), (5239, 9796)]