54368321

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{787}}^1$

素因数の和:1004

約数の個数: 16

約数和(自身を含む): 63544320

約数和(自身を除く): 9175999

約数列:

[1, 7, 71, 139, 497, 787, 973, 5509, 9869, 55877, 69083, 109393, 391139, 765751, 7766903, 54368321]

約数ペア:

[(1, 54368321), (7, 7766903), (71, 765751), (139, 391139), (497, 109393), (787, 69083), (973, 55877), (5509, 9869)]