81994878

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{2221}}^1$

素因数の和:2529

約数の個数: 48

約数和(自身を含む): 203819616

約数和(自身を除く): 121824738

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 293, 586, 879, 1758, 2051, 2221, 2637, 4102, 4442, 5274, 6153, 6663, 12306, 13326, 15547, 18459, 19989, 31094, 36918, 39978, 46641, 93282, 139923, 279846, 650753, 1301506, 1952259, 3904518, 4555271, 5856777, 9110542, 11713554, 13665813, 27331626, 40997439, 81994878]

約数ペア:

[(1, 81994878), (2, 40997439), (3, 27331626), (6, 13665813), (7, 11713554), (9, 9110542), (14, 5856777), (18, 4555271), (21, 3904518), (42, 1952259), (63, 1301506), (126, 650753), (293, 279846), (586, 139923), (879, 93282), (1758, 46641), (2051, 39978), (2221, 36918), (2637, 31094), (4102, 19989), (4442, 18459), (5274, 15547), (6153, 13326), (6663, 12306)]