208453895

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{5737}}^1$

素因数の和:5811

約数の個数: 24

約数和(自身を含む): 277214256

約数和(自身を除く): 68760361

約数列:

[1, 5, 13, 43, 65, 169, 215, 559, 845, 2795, 5737, 7267, 28685, 36335, 74581, 246691, 372905, 969553, 1233455, 3206983, 4847765, 16034915, 41690779, 208453895]

約数ペア:

[(1, 208453895), (5, 41690779), (13, 16034915), (43, 4847765), (65, 3206983), (169, 1233455), (215, 969553), (559, 372905), (845, 246691), (2795, 74581), (5737, 36335), (7267, 28685)]