16804521968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{4969}}^1$

素因数の和:5290

約数の個数: 80

約数和(自身を含む): 35719588800

約数和(自身を除く): 18915066832

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 229, 284, 458, 568, 916, 923, 1136, 1832, 1846, 2977, 3664, 3692, 4969, 5954, 7384, 9938, 11908, 14768, 16259, 19876, 23816, 32518, 39752, 47632, 64597, 65036, 79504, 129194, 130072, 211367, 258388, 260144, 352799, 422734, 516776, 705598, 845468, 1033552, 1137901, 1411196, 1690936, 2275802, 2822392, 3381872, 4551604, 4586387, 5644784, 9103208, 9172774, 14792713, 18206416, 18345548, 29585426, 36691096, 59170852, 73382192, 80790971, 118341704, 161581942, 236683408, 323163884, 646327768, 1050282623, 1292655536, 2100565246, 4201130492, 8402260984, 16804521968]

約数ペア:

[(1, 16804521968), (2, 8402260984), (4, 4201130492), (8, 2100565246), (13, 1292655536), (16, 1050282623), (26, 646327768), (52, 323163884), (71, 236683408), (104, 161581942), (142, 118341704), (208, 80790971), (229, 73382192), (284, 59170852), (458, 36691096), (568, 29585426), (916, 18345548), (923, 18206416), (1136, 14792713), (1832, 9172774), (1846, 9103208), (2977, 5644784), (3664, 4586387), (3692, 4551604), (4969, 3381872), (5954, 2822392), (7384, 2275802), (9938, 1690936), (11908, 1411196), (14768, 1137901), (16259, 1033552), (19876, 845468), (23816, 705598), (32518, 516776), (39752, 422734), (47632, 352799), (64597, 260144), (65036, 258388), (79504, 211367), (129194, 130072)]