681496949

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{397}}^1\times {\mathrm{661}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 810979128

約数和(自身を除く): 129482179

約数列:

[1, 7, 49, 53, 371, 397, 661, 2597, 2779, 4627, 19453, 21041, 32389, 35033, 147287, 245231, 262417, 1031009, 1716617, 1836919, 12858433, 13908101, 97356707, 681496949]

約数ペア:

[(1, 681496949), (7, 97356707), (49, 13908101), (53, 12858433), (371, 1836919), (397, 1716617), (661, 1031009), (2597, 262417), (2779, 245231), (4627, 147287), (19453, 35033), (21041, 32389)]