289755228

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{492781}}^1$

素因数の和:492802

約数の個数: 36

約数和(自身を含む): 786480072

約数和(自身を除く): 496724844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 492781, 985562, 1478343, 1971124, 2956686, 3449467, 5913372, 6898934, 10348401, 13797868, 20696802, 24146269, 41393604, 48292538, 72438807, 96585076, 144877614, 289755228]

約数ペア:

[(1, 289755228), (2, 144877614), (3, 96585076), (4, 72438807), (6, 48292538), (7, 41393604), (12, 24146269), (14, 20696802), (21, 13797868), (28, 10348401), (42, 6898934), (49, 5913372), (84, 3449467), (98, 2956686), (147, 1971124), (196, 1478343), (294, 985562), (588, 492781)]