989503728685

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3578093}}^1$

素因数の和:3578229

約数の個数: 32

約数和(自身を含む): 1298418750720

約数和(自身を除く): 308915022035

約数列:

[1, 5, 19, 41, 71, 95, 205, 355, 779, 1349, 2911, 3895, 6745, 14555, 55309, 276545, 3578093, 17890465, 67983767, 146701813, 254044603, 339918835, 733509065, 1270223015, 2787334447, 4826847457, 10415828723, 13936672235, 24134237285, 52079143615, 197900745737, 989503728685]

約数ペア:

[(1, 989503728685), (5, 197900745737), (19, 52079143615), (41, 24134237285), (71, 13936672235), (95, 10415828723), (205, 4826847457), (355, 2787334447), (779, 1270223015), (1349, 733509065), (2911, 339918835), (3895, 254044603), (6745, 146701813), (14555, 67983767), (55309, 17890465), (276545, 3578093)]