142378444

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{210619}}^1$

素因数の和:210649

約数の個数: 18

約数和(自身を含む): 269804220

約数和(自身を除く): 127425776

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 210619, 421238, 842476, 2738047, 5476094, 10952188, 35594611, 71189222, 142378444]

約数ペア:

[(1, 142378444), (2, 71189222), (4, 35594611), (13, 10952188), (26, 5476094), (52, 2738047), (169, 842476), (338, 421238), (676, 210619)]