678216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 2119680

約数和(自身を除く): 1441464

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 367, 462, 616, 734, 924, 1101, 1468, 1848, 2202, 2569, 2936, 4037, 4404, 5138, 7707, 8074, 8808, 10276, 12111, 15414, 16148, 20552, 24222, 28259, 30828, 32296, 48444, 56518, 61656, 84777, 96888, 113036, 169554, 226072, 339108, 678216]

約数ペア:

[(1, 678216), (2, 339108), (3, 226072), (4, 169554), (6, 113036), (7, 96888), (8, 84777), (11, 61656), (12, 56518), (14, 48444), (21, 32296), (22, 30828), (24, 28259), (28, 24222), (33, 20552), (42, 16148), (44, 15414), (56, 12111), (66, 10276), (77, 8808), (84, 8074), (88, 7707), (132, 5138), (154, 4404), (168, 4037), (231, 2936), (264, 2569), (308, 2202), (367, 1848), (462, 1468), (616, 1101), (734, 924)]