4887905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 6447168

約数和(自身を除く): 1559263

約数列:

[1, 5, 11, 55, 181, 491, 905, 1991, 2455, 5401, 9955, 27005, 88871, 444355, 977581, 4887905]

約数ペア:

[(1, 4887905), (5, 977581), (11, 444355), (55, 88871), (181, 27005), (491, 9955), (905, 5401), (1991, 2455)]