27820804

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1223}}^1$

素因数の和:1296

約数の個数: 36

約数和(自身を含む): 54698112

約数和(自身を除く): 26877308

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 121, 188, 242, 484, 517, 1034, 1223, 2068, 2446, 4892, 5687, 11374, 13453, 22748, 26906, 53812, 57481, 114962, 147983, 229924, 295966, 591932, 632291, 1264582, 2529164, 6955201, 13910402, 27820804]

約数ペア:

[(1, 27820804), (2, 13910402), (4, 6955201), (11, 2529164), (22, 1264582), (44, 632291), (47, 591932), (94, 295966), (121, 229924), (188, 147983), (242, 114962), (484, 57481), (517, 53812), (1034, 26906), (1223, 22748), (2068, 13453), (2446, 11374), (4892, 5687)]