272428

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 24

約数和(自身を含む): 533120

約数和(自身を除く): 260692

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 1612, 2197, 4394, 5239, 8788, 10478, 20956, 68107, 136214, 272428]

約数ペア:

[(1, 272428), (2, 136214), (4, 68107), (13, 20956), (26, 10478), (31, 8788), (52, 5239), (62, 4394), (124, 2197), (169, 1612), (338, 806), (403, 676)]