201308155

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 253818576

約数和(自身を除く): 52510421

約数列:

[1, 5, 41, 43, 205, 215, 557, 1681, 1763, 2785, 8405, 8815, 22837, 23951, 72283, 114185, 119755, 361415, 936317, 981991, 4681585, 4909955, 40261631, 201308155]

約数ペア:

[(1, 201308155), (5, 40261631), (41, 4909955), (43, 4681585), (205, 981991), (215, 936317), (557, 361415), (1681, 119755), (1763, 114185), (2785, 72283), (8405, 23951), (8815, 22837)]