12961795

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 19616256

約数和(自身を除く): 6654461

約数列:

[1, 5, 7, 11, 35, 55, 77, 131, 257, 385, 655, 917, 1285, 1441, 1799, 2827, 4585, 7205, 8995, 10087, 14135, 19789, 33667, 50435, 98945, 168335, 235669, 370337, 1178345, 1851685, 2592359, 12961795]

約数ペア:

[(1, 12961795), (5, 2592359), (7, 1851685), (11, 1178345), (35, 370337), (55, 235669), (77, 168335), (131, 98945), (257, 50435), (385, 33667), (655, 19789), (917, 14135), (1285, 10087), (1441, 8995), (1799, 7205), (2827, 4585)]