25682008

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 54248040

約数和(自身を除く): 28566032

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 121, 172, 242, 344, 473, 484, 617, 946, 968, 1234, 1892, 2468, 3784, 4936, 5203, 6787, 10406, 13574, 20812, 26531, 27148, 41624, 53062, 54296, 74657, 106124, 149314, 212248, 291841, 298628, 583682, 597256, 1167364, 2334728, 3210251, 6420502, 12841004, 25682008]

約数ペア:

[(1, 25682008), (2, 12841004), (4, 6420502), (8, 3210251), (11, 2334728), (22, 1167364), (43, 597256), (44, 583682), (86, 298628), (88, 291841), (121, 212248), (172, 149314), (242, 106124), (344, 74657), (473, 54296), (484, 53062), (617, 41624), (946, 27148), (968, 26531), (1234, 20812), (1892, 13574), (2468, 10406), (3784, 6787), (4936, 5203)]