71037220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{208933}}^1$

素因数の和:208959

約数の個数: 24

約数和(自身を含む): 157954104

約数和(自身を除く): 86916884

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 208933, 417866, 835732, 1044665, 2089330, 3551861, 4178660, 7103722, 14207444, 17759305, 35518610, 71037220]

約数ペア:

[(1, 71037220), (2, 35518610), (4, 17759305), (5, 14207444), (10, 7103722), (17, 4178660), (20, 3551861), (34, 2089330), (68, 1044665), (85, 835732), (170, 417866), (340, 208933)]