209921847874

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{801228427}}^1$

素因数の和:801228560

約数の個数: 8

約数和(自身を含む): 317286457488

約数和(自身を除く): 107364609614

約数列:

[1, 2, 131, 262, 801228427, 1602456854, 104960923937, 209921847874]

約数ペア:

[(1, 209921847874), (2, 104960923937), (131, 1602456854), (262, 801228427)]