123720938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{181409}}^1$

素因数の和:181453

約数の個数: 16

約数和(自身を含む): 208984320

約数和(自身を除く): 85263382

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 181409, 362818, 1995499, 3990998, 5623679, 11247358, 61860469, 123720938]

約数ペア:

[(1, 123720938), (2, 61860469), (11, 11247358), (22, 5623679), (31, 3990998), (62, 1995499), (341, 362818), (682, 181409)]