28291739

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1123}}^1$

素因数の和:1250

約数の個数: 16

約数和(自身を含む): 33450240

約数和(自身を除く): 5158501

約数列:

[1, 7, 59, 61, 413, 427, 1123, 3599, 7861, 25193, 66257, 68503, 463799, 479521, 4041677, 28291739]

約数ペア:

[(1, 28291739), (7, 4041677), (59, 479521), (61, 463799), (413, 68503), (427, 66257), (1123, 25193), (3599, 7861)]