90209812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1693}}^1$

素因数の和:1888

約数の個数: 48

約数和(自身を含む): 198076032

約数和(自身を除く): 107866220

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 173, 308, 346, 692, 1211, 1693, 1903, 2422, 3386, 3806, 4844, 6772, 7612, 11851, 13321, 18623, 23702, 26642, 37246, 47404, 53284, 74492, 130361, 260722, 292889, 521444, 585778, 1171556, 2050223, 3221779, 4100446, 6443558, 8200892, 12887116, 22552453, 45104906, 90209812]

約数ペア:

[(1, 90209812), (2, 45104906), (4, 22552453), (7, 12887116), (11, 8200892), (14, 6443558), (22, 4100446), (28, 3221779), (44, 2050223), (77, 1171556), (154, 585778), (173, 521444), (308, 292889), (346, 260722), (692, 130361), (1211, 74492), (1693, 53284), (1903, 47404), (2422, 37246), (3386, 26642), (3806, 23702), (4844, 18623), (6772, 13321), (7612, 11851)]