28571235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{853}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 59028480

約数和(自身を除く): 30457245

約数列:

[1, 3, 5, 7, 11, 15, 21, 29, 33, 35, 55, 77, 87, 105, 145, 165, 203, 231, 319, 385, 435, 609, 853, 957, 1015, 1155, 1595, 2233, 2559, 3045, 4265, 4785, 5971, 6699, 9383, 11165, 12795, 17913, 24737, 28149, 29855, 33495, 46915, 65681, 74211, 89565, 123685, 140745, 173159, 197043, 272107, 328405, 371055, 519477, 816321, 865795, 985215, 1360535, 1904749, 2597385, 4081605, 5714247, 9523745, 28571235]

約数ペア:

[(1, 28571235), (3, 9523745), (5, 5714247), (7, 4081605), (11, 2597385), (15, 1904749), (21, 1360535), (29, 985215), (33, 865795), (35, 816321), (55, 519477), (77, 371055), (87, 328405), (105, 272107), (145, 197043), (165, 173159), (203, 140745), (231, 123685), (319, 89565), (385, 74211), (435, 65681), (609, 46915), (853, 33495), (957, 29855), (1015, 28149), (1155, 24737), (1595, 17913), (2233, 12795), (2559, 11165), (3045, 9383), (4265, 6699), (4785, 5971)]