123280685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1669}}^1$

素因数の和:1781

約数の個数: 32

約数和(自身を含む): 173145600

約数和(自身を除く): 49864915

約数列:

[1, 5, 11, 17, 55, 79, 85, 187, 395, 869, 935, 1343, 1669, 4345, 6715, 8345, 14773, 18359, 28373, 73865, 91795, 131851, 141865, 312103, 659255, 1450361, 1560515, 2241467, 7251805, 11207335, 24656137, 123280685]

約数ペア:

[(1, 123280685), (5, 24656137), (11, 11207335), (17, 7251805), (55, 2241467), (79, 1560515), (85, 1450361), (187, 659255), (395, 312103), (869, 141865), (935, 131851), (1343, 91795), (1669, 73865), (4345, 28373), (6715, 18359), (8345, 14773)]