251647572

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{2441}}^1$

素因数の和:2541

約数の個数: 72

約数和(自身を含む): 654768576

約数和(自身を除く): 403121004

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 71, 121, 132, 142, 213, 242, 284, 363, 426, 484, 726, 781, 852, 1452, 1562, 2343, 2441, 3124, 4686, 4882, 7323, 8591, 9372, 9764, 14646, 17182, 25773, 26851, 29292, 34364, 51546, 53702, 80553, 103092, 107404, 161106, 173311, 295361, 322212, 346622, 519933, 590722, 693244, 886083, 1039866, 1181444, 1772166, 1906421, 2079732, 3544332, 3812842, 5719263, 7625684, 11438526, 20970631, 22877052, 41941262, 62911893, 83882524, 125823786, 251647572]

約数ペア:

[(1, 251647572), (2, 125823786), (3, 83882524), (4, 62911893), (6, 41941262), (11, 22877052), (12, 20970631), (22, 11438526), (33, 7625684), (44, 5719263), (66, 3812842), (71, 3544332), (121, 2079732), (132, 1906421), (142, 1772166), (213, 1181444), (242, 1039866), (284, 886083), (363, 693244), (426, 590722), (484, 519933), (726, 346622), (781, 322212), (852, 295361), (1452, 173311), (1562, 161106), (2343, 107404), (2441, 103092), (3124, 80553), (4686, 53702), (4882, 51546), (7323, 34364), (8591, 29292), (9372, 26851), (9764, 25773), (14646, 17182)]