128585408

素因数分解:

$2^6\times 7^2\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:470

約数の個数: 84

約数和(自身を含む): 300042072

約数和(自身を除く): 171456664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 131, 196, 224, 262, 313, 392, 448, 524, 626, 784, 917, 1048, 1252, 1568, 1834, 2096, 2191, 2504, 3136, 3668, 4192, 4382, 5008, 6419, 7336, 8384, 8764, 10016, 12838, 14672, 15337, 17528, 20032, 25676, 29344, 30674, 35056, 41003, 51352, 58688, 61348, 70112, 82006, 102704, 122696, 140224, 164012, 205408, 245392, 287021, 328024, 410816, 490784, 574042, 656048, 981568, 1148084, 1312096, 2009147, 2296168, 2624192, 4018294, 4592336, 8036588, 9184672, 16073176, 18369344, 32146352, 64292704, 128585408]

約数ペア:

[(1, 128585408), (2, 64292704), (4, 32146352), (7, 18369344), (8, 16073176), (14, 9184672), (16, 8036588), (28, 4592336), (32, 4018294), (49, 2624192), (56, 2296168), (64, 2009147), (98, 1312096), (112, 1148084), (131, 981568), (196, 656048), (224, 574042), (262, 490784), (313, 410816), (392, 328024), (448, 287021), (524, 245392), (626, 205408), (784, 164012), (917, 140224), (1048, 122696), (1252, 102704), (1568, 82006), (1834, 70112), (2096, 61348), (2191, 58688), (2504, 51352), (3136, 41003), (3668, 35056), (4192, 30674), (4382, 29344), (5008, 25676), (6419, 20032), (7336, 17528), (8384, 15337), (8764, 14672), (10016, 12838)]