81292728

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4337}}^1$

素因数の和:4428

約数の個数: 64

約数和(自身を含む): 224881920

約数和(自身を除く): 143589192

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 71, 88, 132, 142, 213, 264, 284, 426, 568, 781, 852, 1562, 1704, 2343, 3124, 4337, 4686, 6248, 8674, 9372, 13011, 17348, 18744, 26022, 34696, 47707, 52044, 95414, 104088, 143121, 190828, 286242, 307927, 381656, 572484, 615854, 923781, 1144968, 1231708, 1847562, 2463416, 3387197, 3695124, 6774394, 7390248, 10161591, 13548788, 20323182, 27097576, 40646364, 81292728]

約数ペア:

[(1, 81292728), (2, 40646364), (3, 27097576), (4, 20323182), (6, 13548788), (8, 10161591), (11, 7390248), (12, 6774394), (22, 3695124), (24, 3387197), (33, 2463416), (44, 1847562), (66, 1231708), (71, 1144968), (88, 923781), (132, 615854), (142, 572484), (213, 381656), (264, 307927), (284, 286242), (426, 190828), (568, 143121), (781, 104088), (852, 95414), (1562, 52044), (1704, 47707), (2343, 34696), (3124, 26022), (4337, 18744), (4686, 17348), (6248, 13011), (8674, 9372)]