858071812

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{1269337}}^1$

素因数の和:1269367

約数の個数: 18

約数和(自身を含む): 1626021978

約数和(自身を除く): 767950166

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 1269337, 2538674, 5077348, 16501381, 33002762, 66005524, 214517953, 429035906, 858071812]

約数ペア:

[(1, 858071812), (2, 429035906), (4, 214517953), (13, 66005524), (26, 33002762), (52, 16501381), (169, 5077348), (338, 2538674), (676, 1269337)]