2788002

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:160

約数の個数: 72

約数和(自身を含む): 7335900

約数和(自身を除く): 4547898

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 49, 58, 63, 87, 98, 109, 126, 147, 174, 203, 218, 261, 294, 327, 406, 441, 522, 609, 654, 763, 882, 981, 1218, 1421, 1526, 1827, 1962, 2289, 2842, 3161, 3654, 4263, 4578, 5341, 6322, 6867, 8526, 9483, 10682, 12789, 13734, 16023, 18966, 22127, 25578, 28449, 32046, 44254, 48069, 56898, 66381, 96138, 132762, 154889, 199143, 309778, 398286, 464667, 929334, 1394001, 2788002]

約数ペア:

[(1, 2788002), (2, 1394001), (3, 929334), (6, 464667), (7, 398286), (9, 309778), (14, 199143), (18, 154889), (21, 132762), (29, 96138), (42, 66381), (49, 56898), (58, 48069), (63, 44254), (87, 32046), (98, 28449), (109, 25578), (126, 22127), (147, 18966), (174, 16023), (203, 13734), (218, 12789), (261, 10682), (294, 9483), (327, 8526), (406, 6867), (441, 6322), (522, 5341), (609, 4578), (654, 4263), (763, 3654), (882, 3161), (981, 2842), (1218, 2289), (1421, 1962), (1526, 1827)]