121978157

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{22369}}^1$

素因数の和:22436

約数の個数: 16

約数和(自身を含む): 150326400

約数和(自身を除く): 28348243

約数列:

[1, 7, 19, 41, 133, 287, 779, 5453, 22369, 156583, 425011, 917129, 2975077, 6419903, 17425451, 121978157]

約数ペア:

[(1, 121978157), (7, 17425451), (19, 6419903), (41, 2975077), (133, 917129), (287, 425011), (779, 156583), (5453, 22369)]