28778856

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{16889}}^1$

素因数の和:16969

約数の個数: 32

約数和(自身を含む): 72964800

約数和(自身を除く): 44185944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 16889, 33778, 50667, 67556, 101334, 135112, 202668, 405336, 1199119, 2398238, 3597357, 4796476, 7194714, 9592952, 14389428, 28778856]

約数ペア:

[(1, 28778856), (2, 14389428), (3, 9592952), (4, 7194714), (6, 4796476), (8, 3597357), (12, 2398238), (24, 1199119), (71, 405336), (142, 202668), (213, 135112), (284, 101334), (426, 67556), (568, 50667), (852, 33778), (1704, 16889)]