66965288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{12149}}^1$

素因数の和:12221

約数の個数: 32

約数和(自身を含む): 137781000

約数和(自身を除く): 70815712

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 12149, 24298, 48596, 97192, 157937, 315874, 631748, 643897, 1263496, 1287794, 2575588, 5151176, 8370661, 16741322, 33482644, 66965288]

約数ペア:

[(1, 66965288), (2, 33482644), (4, 16741322), (8, 8370661), (13, 5151176), (26, 2575588), (52, 1287794), (53, 1263496), (104, 643897), (106, 631748), (212, 315874), (424, 157937), (689, 97192), (1378, 48596), (2756, 24298), (5512, 12149)]