1280871844

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{111847}}^1$

素因数の和:112267

約数の個数: 24

約数和(自身を含む): 2568030080

約数和(自身を除く): 1287158236

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 2863, 5726, 11452, 111847, 223694, 447388, 782929, 1565858, 3131716, 45745423, 91490846, 182981692, 320217961, 640435922, 1280871844]

約数ペア:

[(1, 1280871844), (2, 640435922), (4, 320217961), (7, 182981692), (14, 91490846), (28, 45745423), (409, 3131716), (818, 1565858), (1636, 782929), (2863, 447388), (5726, 223694), (11452, 111847)]