4059005

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^2$

素因数の和:145

約数の個数: 18

約数和(自身を含む): 5273646

約数和(自身を除く): 1214641

約数列:

[1, 5, 17, 53, 85, 265, 289, 901, 1445, 2809, 4505, 14045, 15317, 47753, 76585, 238765, 811801, 4059005]

約数ペア:

[(1, 4059005), (5, 811801), (17, 238765), (53, 76585), (85, 47753), (265, 15317), (289, 14045), (901, 4505), (1445, 2809)]