25866908

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1489}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 46809840

約数和(自身を除く): 20942932

約数列:

[1, 2, 4, 43, 86, 101, 172, 202, 404, 1489, 2978, 4343, 5956, 8686, 17372, 64027, 128054, 150389, 256108, 300778, 601556, 6466727, 12933454, 25866908]

約数ペア:

[(1, 25866908), (2, 12933454), (4, 6466727), (43, 601556), (86, 300778), (101, 256108), (172, 150389), (202, 128054), (404, 64027), (1489, 17372), (2978, 8686), (4343, 5956)]