855430

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{653}}^1$

素因数の和:791

約数の個数: 16

約数和(自身を含む): 1553904

約数和(自身を除く): 698474

約数列:

[1, 2, 5, 10, 131, 262, 653, 655, 1306, 1310, 3265, 6530, 85543, 171086, 427715, 855430]

約数ペア:

[(1, 855430), (2, 427715), (5, 171086), (10, 85543), (131, 6530), (262, 3265), (653, 1310), (655, 1306)]