25713536

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 54978000

約数和(自身を除く): 29264464

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 97, 109, 128, 152, 194, 218, 304, 388, 436, 608, 776, 872, 1216, 1552, 1744, 1843, 2071, 2432, 3104, 3488, 3686, 4142, 6208, 6976, 7372, 8284, 10573, 12416, 13952, 14744, 16568, 21146, 29488, 33136, 42292, 58976, 66272, 84584, 117952, 132544, 169168, 200887, 235904, 265088, 338336, 401774, 676672, 803548, 1353344, 1607096, 3214192, 6428384, 12856768, 25713536]

約数ペア:

[(1, 25713536), (2, 12856768), (4, 6428384), (8, 3214192), (16, 1607096), (19, 1353344), (32, 803548), (38, 676672), (64, 401774), (76, 338336), (97, 265088), (109, 235904), (128, 200887), (152, 169168), (194, 132544), (218, 117952), (304, 84584), (388, 66272), (436, 58976), (608, 42292), (776, 33136), (872, 29488), (1216, 21146), (1552, 16568), (1744, 14744), (1843, 13952), (2071, 12416), (2432, 10573), (3104, 8284), (3488, 7372), (3686, 6976), (4142, 6208)]