987690697

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{491633}}^1$

素因数の和:491688

約数の個数: 12

約数和(自身を含む): 1176971796

約数和(自身を除く): 189281099

約数列:

[1, 7, 41, 49, 287, 2009, 491633, 3441431, 20156953, 24090017, 141098671, 987690697]

約数ペア:

[(1, 987690697), (7, 141098671), (41, 24090017), (49, 20156953), (287, 3441431), (2009, 491633)]