1276004639

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 1638530208

約数和(自身を除く): 362525569

約数列:

[1, 7, 13, 49, 91, 97, 107, 193, 637, 679, 749, 1261, 1351, 1391, 2509, 4753, 5243, 8827, 9457, 9737, 10379, 17563, 18721, 20651, 61789, 68159, 72653, 122941, 131047, 134927, 144557, 243373, 268463, 508571, 917329, 944489, 1011899, 1703611, 1879241, 2003147, 6611423, 11925277, 13154687, 14022029, 26040911, 98154203, 182286377, 1276004639]

約数ペア:

[(1, 1276004639), (7, 182286377), (13, 98154203), (49, 26040911), (91, 14022029), (97, 13154687), (107, 11925277), (193, 6611423), (637, 2003147), (679, 1879241), (749, 1703611), (1261, 1011899), (1351, 944489), (1391, 917329), (2509, 508571), (4753, 268463), (5243, 243373), (8827, 144557), (9457, 134927), (9737, 131047), (10379, 122941), (17563, 72653), (18721, 68159), (20651, 61789)]