217804928

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{154691}}^1$

素因数の和:154716

約数の個数: 32

約数和(自身を含む): 473357520

約数和(自身を除く): 255552592

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 154691, 309382, 618764, 1237528, 1701601, 2475056, 3403202, 4950112, 6806404, 9900224, 13612808, 19800448, 27225616, 54451232, 108902464, 217804928]

約数ペア:

[(1, 217804928), (2, 108902464), (4, 54451232), (8, 27225616), (11, 19800448), (16, 13612808), (22, 9900224), (32, 6806404), (44, 4950112), (64, 3403202), (88, 2475056), (128, 1701601), (176, 1237528), (352, 618764), (704, 309382), (1408, 154691)]