173172839

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 210569856

約数和(自身を除く): 37397017

約数列:

[1, 7, 37, 61, 97, 113, 259, 427, 679, 791, 2257, 3589, 4181, 5917, 6893, 10961, 15799, 25123, 29267, 41419, 48251, 76727, 218929, 255041, 405557, 668621, 1532503, 1785287, 2838899, 4680347, 24738977, 173172839]

約数ペア:

[(1, 173172839), (7, 24738977), (37, 4680347), (61, 2838899), (97, 1785287), (113, 1532503), (259, 668621), (427, 405557), (679, 255041), (791, 218929), (2257, 76727), (3589, 48251), (4181, 41419), (5917, 29267), (6893, 25123), (10961, 15799)]