81890368

素因数分解:

$2^6\times 7^2\times {\mathrm{26113}}^1$

素因数の和:26139

約数の個数: 42

約数和(自身を含む): 189039246

約数和(自身を除く): 107148878

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 26113, 52226, 104452, 182791, 208904, 365582, 417808, 731164, 835616, 1279537, 1462328, 1671232, 2559074, 2924656, 5118148, 5849312, 10236296, 11698624, 20472592, 40945184, 81890368]

約数ペア:

[(1, 81890368), (2, 40945184), (4, 20472592), (7, 11698624), (8, 10236296), (14, 5849312), (16, 5118148), (28, 2924656), (32, 2559074), (49, 1671232), (56, 1462328), (64, 1279537), (98, 835616), (112, 731164), (196, 417808), (224, 365582), (392, 208904), (448, 182791), (784, 104452), (1568, 52226), (3136, 26113)]