81216678

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{712427}}^1$

素因数の和:712451

約数の個数: 16

約数和(自身を含む): 170982720

約数和(自身を除く): 89766042

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 712427, 1424854, 2137281, 4274562, 13536113, 27072226, 40608339, 81216678]

約数ペア:

[(1, 81216678), (2, 40608339), (3, 27072226), (6, 13536113), (19, 4274562), (38, 2137281), (57, 1424854), (114, 712427)]