405901403872

素因数分解:

$2^5\times {\mathrm{12684418871}}^1$

素因数の和:12684418881

約数の個数: 12

約数和(自身を含む): 799118388936

約数和(自身を除く): 393216985064

約数列:

[1, 2, 4, 8, 16, 32, 12684418871, 25368837742, 50737675484, 101475350968, 202950701936, 405901403872]

約数ペア:

[(1, 405901403872), (2, 202950701936), (4, 101475350968), (8, 50737675484), (16, 25368837742), (32, 12684418871)]