678370418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1340653}}^1$

素因数の和:1340689

約数の個数: 16

約数和(自身を含む): 1158325056

約数和(自身を除く): 479954638

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 1340653, 2681306, 14747183, 29494366, 30835019, 61670038, 339185209, 678370418]

約数ペア:

[(1, 678370418), (2, 339185209), (11, 61670038), (22, 30835019), (23, 29494366), (46, 14747183), (253, 2681306), (506, 1340653)]