26378702991

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{154261421}}^1$

素因数の和:154261446

約数の個数: 12

約数和(自身を含む): 40107969720

約数和(自身を除く): 13729266729

約数列:

[1, 3, 9, 19, 57, 171, 154261421, 462784263, 1388352789, 2930966999, 8792900997, 26378702991]

約数ペア:

[(1, 26378702991), (3, 8792900997), (9, 2930966999), (19, 1388352789), (57, 462784263), (171, 154261421)]