254216

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 488400

約数和(自身を除く): 234184

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 739, 1478, 2956, 5912, 31777, 63554, 127108, 254216]

約数ペア:

[(1, 254216), (2, 127108), (4, 63554), (8, 31777), (43, 5912), (86, 2956), (172, 1478), (344, 739)]