216507004

素因数分解:

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

素因数の和:415

約数の個数: 72

約数和(自身を含む): 463776768

約数和(自身を除く): 247269764

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 47, 92, 94, 161, 188, 311, 322, 329, 529, 622, 644, 658, 1058, 1081, 1244, 1316, 2116, 2162, 2177, 3703, 4324, 4354, 7153, 7406, 7567, 8708, 14306, 14617, 14812, 15134, 24863, 28612, 29234, 30268, 49726, 50071, 58468, 99452, 100142, 102319, 164519, 174041, 200284, 204638, 329038, 336191, 348082, 409276, 658076, 672382, 696164, 1151633, 1344764, 2303266, 2353337, 4606532, 4706674, 7732393, 9413348, 15464786, 30929572, 54126751, 108253502, 216507004]

約数ペア:

[(1, 216507004), (2, 108253502), (4, 54126751), (7, 30929572), (14, 15464786), (23, 9413348), (28, 7732393), (46, 4706674), (47, 4606532), (92, 2353337), (94, 2303266), (161, 1344764), (188, 1151633), (311, 696164), (322, 672382), (329, 658076), (529, 409276), (622, 348082), (644, 336191), (658, 329038), (1058, 204638), (1081, 200284), (1244, 174041), (1316, 164519), (2116, 102319), (2162, 100142), (2177, 99452), (3703, 58468), (4324, 50071), (4354, 49726), (7153, 30268), (7406, 29234), (7567, 28612), (8708, 24863), (14306, 15134), (14617, 14812)]