280612

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 18

約数和(自身を含む): 514374

約数和(自身を除く): 233762

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 961, 1922, 2263, 3844, 4526, 9052, 70153, 140306, 280612]

約数ペア:

[(1, 280612), (2, 140306), (4, 70153), (31, 9052), (62, 4526), (73, 3844), (124, 2263), (146, 1922), (292, 961)]