81116956

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{654169}}^1$

素因数の和:654204

約数の個数: 12

約数和(自身を含む): 146534080

約数和(自身を除く): 65417124

約数列:

[1, 2, 4, 31, 62, 124, 654169, 1308338, 2616676, 20279239, 40558478, 81116956]

約数ペア:

[(1, 81116956), (2, 40558478), (4, 20279239), (31, 2616676), (62, 1308338), (124, 654169)]