28245007007

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{313}}^1\times {\mathrm{487}}^1$

素因数の和:1167

約数の個数: 32

約数和(自身を含む): 32892168192

約数和(自身を除く): 4647161185

約数列:

[1, 7, 103, 257, 313, 487, 721, 1799, 2191, 3409, 26471, 32239, 50161, 80441, 125159, 152431, 185297, 225673, 351127, 563087, 876113, 1067017, 8285423, 12891377, 15700393, 39174767, 57997961, 90239639, 109902751, 274223369, 4035001001, 28245007007]

約数ペア:

[(1, 28245007007), (7, 4035001001), (103, 274223369), (257, 109902751), (313, 90239639), (487, 57997961), (721, 39174767), (1799, 15700393), (2191, 12891377), (3409, 8285423), (26471, 1067017), (32239, 876113), (50161, 563087), (80441, 351127), (125159, 225673), (152431, 185297)]