2017805075

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{3947}}^1$

素因数の和:4005

約数の個数: 54

約数和(自身を含む): 2978801532

約数和(自身を除く): 960996457

約数列:

[1, 5, 11, 13, 25, 55, 65, 121, 143, 169, 275, 325, 605, 715, 845, 1573, 1859, 3025, 3575, 3947, 4225, 7865, 9295, 19735, 20449, 39325, 43417, 46475, 51311, 98675, 102245, 217085, 256555, 477587, 511225, 564421, 667043, 1085425, 1282775, 2387935, 2822105, 3335215, 6208631, 7337473, 11939675, 14110525, 16676075, 31043155, 36687365, 80712203, 155215775, 183436825, 403561015, 2017805075]

約数ペア:

[(1, 2017805075), (5, 403561015), (11, 183436825), (13, 155215775), (25, 80712203), (55, 36687365), (65, 31043155), (121, 16676075), (143, 14110525), (169, 11939675), (275, 7337473), (325, 6208631), (605, 3335215), (715, 2822105), (845, 2387935), (1573, 1282775), (1859, 1085425), (3025, 667043), (3575, 564421), (3947, 511225), (4225, 477587), (7865, 256555), (9295, 217085), (19735, 102245), (20449, 98675), (39325, 51311), (43417, 46475)]