25639581

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 38854656

約数和(自身を除く): 13215075

約数列:

[1, 3, 11, 33, 47, 61, 141, 183, 271, 517, 671, 813, 1551, 2013, 2867, 2981, 8601, 8943, 12737, 16531, 31537, 38211, 49593, 94611, 140107, 181841, 420321, 545523, 776957, 2330871, 8546527, 25639581]

約数ペア:

[(1, 25639581), (3, 8546527), (11, 2330871), (33, 776957), (47, 545523), (61, 420321), (141, 181841), (183, 140107), (271, 94611), (517, 49593), (671, 38211), (813, 31537), (1551, 16531), (2013, 12737), (2867, 8943), (2981, 8601)]