978018979

素因数分解:

$7^2\times {\mathrm{1669}}^1\times {\mathrm{11959}}^1$

素因数の和:13642

約数の個数: 12

約数和(自身を含む): 1138472400

約数和(自身を除く): 160453421

約数列:

[1, 7, 49, 1669, 11683, 11959, 81781, 83713, 585991, 19959571, 139716997, 978018979]

約数ペア:

[(1, 978018979), (7, 139716997), (49, 19959571), (1669, 585991), (11683, 83713), (11959, 81781)]