25748541

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 46300800

約数和(自身を除く): 20552259

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 149, 211, 273, 447, 633, 819, 1043, 1341, 1477, 1899, 1937, 2743, 3129, 4431, 5811, 8229, 9387, 13293, 13559, 17433, 19201, 24687, 31439, 40677, 57603, 94317, 122031, 172809, 220073, 282951, 408707, 660219, 1226121, 1980657, 2860949, 3678363, 8582847, 25748541]

約数ペア:

[(1, 25748541), (3, 8582847), (7, 3678363), (9, 2860949), (13, 1980657), (21, 1226121), (39, 660219), (63, 408707), (91, 282951), (117, 220073), (149, 172809), (211, 122031), (273, 94317), (447, 57603), (633, 40677), (819, 31439), (1043, 24687), (1341, 19201), (1477, 17433), (1899, 13559), (1937, 13293), (2743, 9387), (3129, 8229), (4431, 5811)]