69981212

素因数分解:

$2^2\times 7^2\times {\mathrm{357047}}^1$

素因数の和:357065

約数の個数: 18

約数和(自身を含む): 142462152

約数和(自身を除く): 72480940

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 357047, 714094, 1428188, 2499329, 4998658, 9997316, 17495303, 34990606, 69981212]

約数ペア:

[(1, 69981212), (2, 34990606), (4, 17495303), (7, 9997316), (14, 4998658), (28, 2499329), (49, 1428188), (98, 714094), (196, 357047)]