1223005

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 1701504

約数和(自身を除く): 478499

約数列:

[1, 5, 7, 35, 83, 415, 421, 581, 2105, 2905, 2947, 14735, 34943, 174715, 244601, 1223005]

約数ペア:

[(1, 1223005), (5, 244601), (7, 174715), (35, 34943), (83, 14735), (415, 2947), (421, 2905), (581, 2105)]