2008385918

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{4211}}^1$

素因数の和:4413

約数の個数: 64

約数和(自身を含む): 3978823680

約数和(自身を除く): 1970437762

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 163, 209, 266, 326, 418, 1141, 1463, 1793, 2282, 2926, 3097, 3586, 4211, 6194, 8422, 12551, 21679, 25102, 29477, 34067, 43358, 46321, 58954, 68134, 80009, 92642, 160018, 238469, 324247, 476938, 560063, 648494, 686393, 880099, 1120126, 1372786, 1760198, 4804751, 6160693, 7550323, 9609502, 12321386, 13041467, 15100646, 26082934, 52852261, 91290269, 105704522, 143456137, 182580538, 286912274, 1004192959, 2008385918]

約数ペア:

[(1, 2008385918), (2, 1004192959), (7, 286912274), (11, 182580538), (14, 143456137), (19, 105704522), (22, 91290269), (38, 52852261), (77, 26082934), (133, 15100646), (154, 13041467), (163, 12321386), (209, 9609502), (266, 7550323), (326, 6160693), (418, 4804751), (1141, 1760198), (1463, 1372786), (1793, 1120126), (2282, 880099), (2926, 686393), (3097, 648494), (3586, 560063), (4211, 476938), (6194, 324247), (8422, 238469), (12551, 160018), (21679, 92642), (25102, 80009), (29477, 68134), (34067, 58954), (43358, 46321)]