71647945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{4657}}^1$

素因数の和:4860

約数の個数: 16

約数和(自身を含む): 91557648

約数和(自身を除く): 19909703

約数列:

[1, 5, 17, 85, 181, 905, 3077, 4657, 15385, 23285, 79169, 395845, 842917, 4214585, 14329589, 71647945]

約数ペア:

[(1, 71647945), (5, 14329589), (17, 4214585), (85, 842917), (181, 395845), (905, 79169), (3077, 23285), (4657, 15385)]