20161110508

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{81517}}^1$

素因数の和:81623

約数の個数: 72

約数和(自身を含む): 44928808736

約数和(自身を除く): 24767698228

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 73, 77, 121, 146, 154, 242, 292, 308, 484, 511, 803, 847, 1022, 1606, 1694, 2044, 3212, 3388, 5621, 8833, 11242, 17666, 22484, 35332, 61831, 81517, 123662, 163034, 247324, 326068, 570619, 896687, 1141238, 1793374, 2282476, 3586748, 5950741, 6276809, 9863557, 11901482, 12553618, 19727114, 23802964, 25107236, 39454228, 41655187, 65458151, 69044899, 83310374, 130916302, 138089798, 166620748, 261832604, 276179596, 458207057, 720039661, 916414114, 1440079322, 1832828228, 2880158644, 5040277627, 10080555254, 20161110508]

約数ペア:

[(1, 20161110508), (2, 10080555254), (4, 5040277627), (7, 2880158644), (11, 1832828228), (14, 1440079322), (22, 916414114), (28, 720039661), (44, 458207057), (73, 276179596), (77, 261832604), (121, 166620748), (146, 138089798), (154, 130916302), (242, 83310374), (292, 69044899), (308, 65458151), (484, 41655187), (511, 39454228), (803, 25107236), (847, 23802964), (1022, 19727114), (1606, 12553618), (1694, 11901482), (2044, 9863557), (3212, 6276809), (3388, 5950741), (5621, 3586748), (8833, 2282476), (11242, 1793374), (17666, 1141238), (22484, 896687), (35332, 570619), (61831, 326068), (81517, 247324), (123662, 163034)]