25715721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 38246400

約数和(自身を除く): 12530679

約数列:

[1, 3, 19, 29, 47, 57, 87, 141, 331, 551, 893, 993, 1363, 1653, 2679, 4089, 6289, 9599, 15557, 18867, 25897, 28797, 46671, 77691, 182381, 295583, 451153, 547143, 886749, 1353459, 8571907, 25715721]

約数ペア:

[(1, 25715721), (3, 8571907), (19, 1353459), (29, 886749), (47, 547143), (57, 451153), (87, 295583), (141, 182381), (331, 77691), (551, 46671), (893, 28797), (993, 25897), (1363, 18867), (1653, 15557), (2679, 9599), (4089, 6289)]