261231732

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{81533}}^1$

素因数の和:81632

約数の個数: 36

約数和(自身を含む): 667763460

約数和(自身を除く): 406531728

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 81533, 163066, 244599, 326132, 489198, 733797, 978396, 1467594, 2935188, 7256437, 14512874, 21769311, 29025748, 43538622, 65307933, 87077244, 130615866, 261231732]

約数ペア:

[(1, 261231732), (2, 130615866), (3, 87077244), (4, 65307933), (6, 43538622), (9, 29025748), (12, 21769311), (18, 14512874), (36, 7256437), (89, 2935188), (178, 1467594), (267, 978396), (356, 733797), (534, 489198), (801, 326132), (1068, 244599), (1602, 163066), (3204, 81533)]