81796945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{3659}}^1$

素因数の和:3944

約数の個数: 16

約数和(自身を含む): 104353920

約数和(自身を除く): 22556975

約数列:

[1, 5, 17, 85, 263, 1315, 3659, 4471, 18295, 22355, 62203, 311015, 962317, 4811585, 16359389, 81796945]

約数ペア:

[(1, 81796945), (5, 16359389), (17, 4811585), (85, 962317), (263, 311015), (1315, 62203), (3659, 22355), (4471, 18295)]