128786812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1627}}^1$

素因数の和:1906

約数の個数: 48

約数和(自身を含む): 282256128

約数和(自身を除く): 153469316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 257, 308, 514, 1028, 1627, 1799, 2827, 3254, 3598, 5654, 6508, 7196, 11308, 11389, 17897, 19789, 22778, 35794, 39578, 45556, 71588, 79156, 125279, 250558, 418139, 501116, 836278, 1672556, 2926973, 4599529, 5853946, 9199058, 11707892, 18398116, 32196703, 64393406, 128786812]

約数ペア:

[(1, 128786812), (2, 64393406), (4, 32196703), (7, 18398116), (11, 11707892), (14, 9199058), (22, 5853946), (28, 4599529), (44, 2926973), (77, 1672556), (154, 836278), (257, 501116), (308, 418139), (514, 250558), (1028, 125279), (1627, 79156), (1799, 71588), (2827, 45556), (3254, 39578), (3598, 35794), (5654, 22778), (6508, 19789), (7196, 17897), (11308, 11389)]