15673889

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 20570112

約数和(自身を除く): 4896223

約数列:

[1, 7, 11, 47, 61, 71, 77, 329, 427, 497, 517, 671, 781, 2867, 3337, 3619, 4331, 4697, 5467, 20069, 23359, 30317, 31537, 36707, 47641, 203557, 220759, 256949, 333487, 1424899, 2239127, 15673889]

約数ペア:

[(1, 15673889), (7, 2239127), (11, 1424899), (47, 333487), (61, 256949), (71, 220759), (77, 203557), (329, 47641), (427, 36707), (497, 31537), (517, 30317), (671, 23359), (781, 20069), (2867, 5467), (3337, 4697), (3619, 4331)]