28643783

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 34911360

約数和(自身を除く): 6267577

約数列:

[1, 7, 31, 49, 109, 173, 217, 763, 1211, 1519, 3379, 5341, 5363, 8477, 18857, 23653, 37541, 131999, 165571, 262787, 584567, 923993, 4091969, 28643783]

約数ペア:

[(1, 28643783), (7, 4091969), (31, 923993), (49, 584567), (109, 262787), (173, 165571), (217, 131999), (763, 37541), (1211, 23653), (1519, 18857), (3379, 8477), (5341, 5363)]