12890646

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{17467}}^1$

素因数の和:17516

約数の個数: 24

約数和(自身を含む): 28612584

約数和(自身を除く): 15721938

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 17467, 34934, 52401, 104802, 157203, 314406, 716147, 1432294, 2148441, 4296882, 6445323, 12890646]

約数ペア:

[(1, 12890646), (2, 6445323), (3, 4296882), (6, 2148441), (9, 1432294), (18, 716147), (41, 314406), (82, 157203), (123, 104802), (246, 52401), (369, 34934), (738, 17467)]