81011996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{683}}^1\times {\mathrm{2281}}^1$

素因数の和:2981

約数の個数: 24

約数和(自身を含む): 152967024

約数和(自身を除く): 71955028

約数列:

[1, 2, 4, 13, 26, 52, 683, 1366, 2281, 2732, 4562, 8879, 9124, 17758, 29653, 35516, 59306, 118612, 1557923, 3115846, 6231692, 20252999, 40505998, 81011996]

約数ペア:

[(1, 81011996), (2, 40505998), (4, 20252999), (13, 6231692), (26, 3115846), (52, 1557923), (683, 118612), (1366, 59306), (2281, 35516), (2732, 29653), (4562, 17758), (8879, 9124)]