81108208

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{46507}}^1$

素因数の和:46624

約数の個数: 20

約数和(自身を含む): 158592280

約数和(自身を除く): 77484072

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 46507, 93014, 186028, 372056, 744112, 5069263, 10138526, 20277052, 40554104, 81108208]

約数ペア:

[(1, 81108208), (2, 40554104), (4, 20277052), (8, 10138526), (16, 5069263), (109, 744112), (218, 372056), (436, 186028), (872, 93014), (1744, 46507)]