28240044

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 80510976

約数和(自身を除く): 52270932

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 47, 69, 84, 92, 94, 138, 141, 161, 188, 276, 282, 311, 322, 329, 483, 564, 622, 644, 658, 933, 966, 987, 1081, 1244, 1316, 1866, 1932, 1974, 2162, 2177, 3243, 3732, 3948, 4324, 4354, 6486, 6531, 7153, 7567, 8708, 12972, 13062, 14306, 14617, 15134, 21459, 22701, 26124, 28612, 29234, 30268, 42918, 43851, 45402, 50071, 58468, 85836, 87702, 90804, 100142, 102319, 150213, 175404, 200284, 204638, 300426, 306957, 336191, 409276, 600852, 613914, 672382, 1008573, 1227828, 1344764, 2017146, 2353337, 4034292, 4706674, 7060011, 9413348, 14120022, 28240044]

約数ペア:

[(1, 28240044), (2, 14120022), (3, 9413348), (4, 7060011), (6, 4706674), (7, 4034292), (12, 2353337), (14, 2017146), (21, 1344764), (23, 1227828), (28, 1008573), (42, 672382), (46, 613914), (47, 600852), (69, 409276), (84, 336191), (92, 306957), (94, 300426), (138, 204638), (141, 200284), (161, 175404), (188, 150213), (276, 102319), (282, 100142), (311, 90804), (322, 87702), (329, 85836), (483, 58468), (564, 50071), (622, 45402), (644, 43851), (658, 42918), (933, 30268), (966, 29234), (987, 28612), (1081, 26124), (1244, 22701), (1316, 21459), (1866, 15134), (1932, 14617), (1974, 14306), (2162, 13062), (2177, 12972), (3243, 8708), (3732, 7567), (3948, 7153), (4324, 6531), (4354, 6486)]