278300239

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{34303}}^1$

素因数の和:34390

約数の個数: 16

約数和(自身を含む): 340295680

約数和(自身を除く): 61995441

約数列:

[1, 7, 19, 61, 133, 427, 1159, 8113, 34303, 240121, 651757, 2092483, 4562299, 14647381, 39757177, 278300239]

約数ペア:

[(1, 278300239), (7, 39757177), (19, 14647381), (61, 4562299), (133, 2092483), (427, 651757), (1159, 240121), (8113, 34303)]