772373855

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{17981}}^1$

素因数の和:18079

約数の個数: 24

約数和(自身を含む): 1033173792

約数和(自身を除く): 260799937

約数列:

[1, 5, 11, 55, 71, 121, 355, 605, 781, 3905, 8591, 17981, 42955, 89905, 197791, 988955, 1276651, 2175701, 6383255, 10878505, 14043161, 70215805, 154474771, 772373855]

約数ペア:

[(1, 772373855), (5, 154474771), (11, 70215805), (55, 14043161), (71, 10878505), (121, 6383255), (355, 2175701), (605, 1276651), (781, 988955), (3905, 197791), (8591, 89905), (17981, 42955)]