2009721896

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{74611}}^1$

素因数の和:74674

約数の個数: 64

約数和(自身を含む): 4763230080

約数和(自身を除く): 2753508184

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 52, 56, 74, 91, 104, 148, 182, 259, 296, 364, 481, 518, 728, 962, 1036, 1924, 2072, 3367, 3848, 6734, 13468, 26936, 74611, 149222, 298444, 522277, 596888, 969943, 1044554, 1939886, 2089108, 2760607, 3879772, 4178216, 5521214, 6789601, 7759544, 11042428, 13579202, 19324249, 22084856, 27158404, 35887891, 38648498, 54316808, 71775782, 77296996, 143551564, 154593992, 251215237, 287103128, 502430474, 1004860948, 2009721896]

約数ペア:

[(1, 2009721896), (2, 1004860948), (4, 502430474), (7, 287103128), (8, 251215237), (13, 154593992), (14, 143551564), (26, 77296996), (28, 71775782), (37, 54316808), (52, 38648498), (56, 35887891), (74, 27158404), (91, 22084856), (104, 19324249), (148, 13579202), (182, 11042428), (259, 7759544), (296, 6789601), (364, 5521214), (481, 4178216), (518, 3879772), (728, 2760607), (962, 2089108), (1036, 1939886), (1924, 1044554), (2072, 969943), (3367, 596888), (3848, 522277), (6734, 298444), (13468, 149222), (26936, 74611)]