207521288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{37649}}^1$

素因数の和:37721

約数の個数: 32

約数和(自身を含む): 426951000

約数和(自身を除く): 219429712

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 37649, 75298, 150596, 301192, 489437, 978874, 1957748, 1995397, 3915496, 3990794, 7981588, 15963176, 25940161, 51880322, 103760644, 207521288]

約数ペア:

[(1, 207521288), (2, 103760644), (4, 51880322), (8, 25940161), (13, 15963176), (26, 7981588), (52, 3990794), (53, 3915496), (104, 1995397), (106, 1957748), (212, 978874), (424, 489437), (689, 301192), (1378, 150596), (2756, 75298), (5512, 37649)]