258890868

素因数分解:

$2^2\times 3^2\times {\mathrm{7191413}}^1$

素因数の和:7191423

約数の個数: 18

約数和(自身を含む): 654418674

約数和(自身を除く): 395527806

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 7191413, 14382826, 21574239, 28765652, 43148478, 64722717, 86296956, 129445434, 258890868]

約数ペア:

[(1, 258890868), (2, 129445434), (3, 86296956), (4, 64722717), (6, 43148478), (9, 28765652), (12, 21574239), (18, 14382826), (36, 7191413)]