251130880021

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{5701}}^1\times {\mathrm{79657}}^1$

素因数の和:85444

約数の個数: 16

約数和(自身を含む): 290694346240

約数和(自身を除く): 39563466219

約数列:

[1, 7, 79, 553, 5701, 39907, 79657, 450379, 557599, 3152653, 6292903, 44050321, 454124557, 3178871899, 35875840003, 251130880021]

約数ペア:

[(1, 251130880021), (7, 35875840003), (79, 3178871899), (553, 454124557), (5701, 44050321), (39907, 6292903), (79657, 3152653), (450379, 557599)]