218915944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2104961}}^1$

素因数の和:2104980

約数の個数: 16

約数和(自身を含む): 442042020

約数和(自身を除く): 223126076

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2104961, 4209922, 8419844, 16839688, 27364493, 54728986, 109457972, 218915944]

約数ペア:

[(1, 218915944), (2, 109457972), (4, 54728986), (8, 27364493), (13, 16839688), (26, 8419844), (52, 4209922), (104, 2104961)]