66017872

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:847

約数の個数: 40

約数和(自身を含む): 132069672

約数和(自身を除く): 66051800

約数列:

[1, 2, 4, 8, 16, 41, 82, 157, 164, 314, 328, 628, 641, 656, 1256, 1282, 2512, 2564, 5128, 6437, 10256, 12874, 25748, 26281, 51496, 52562, 100637, 102992, 105124, 201274, 210248, 402548, 420496, 805096, 1610192, 4126117, 8252234, 16504468, 33008936, 66017872]

約数ペア:

[(1, 66017872), (2, 33008936), (4, 16504468), (8, 8252234), (16, 4126117), (41, 1610192), (82, 805096), (157, 420496), (164, 402548), (314, 210248), (328, 201274), (628, 105124), (641, 102992), (656, 100637), (1256, 52562), (1282, 51496), (2512, 26281), (2564, 25748), (5128, 12874), (6437, 10256)]