131641412

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{449}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 271958400

約数和(自身を除く): 140316988

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 283, 449, 518, 566, 898, 1036, 1132, 1796, 1981, 3143, 3962, 6286, 7924, 10471, 12572, 16613, 20942, 33226, 41884, 66452, 73297, 116291, 127067, 146594, 232582, 254134, 293188, 465164, 508268, 889469, 1778938, 3557876, 4701479, 9402958, 18805916, 32910353, 65820706, 131641412]

約数ペア:

[(1, 131641412), (2, 65820706), (4, 32910353), (7, 18805916), (14, 9402958), (28, 4701479), (37, 3557876), (74, 1778938), (148, 889469), (259, 508268), (283, 465164), (449, 293188), (518, 254134), (566, 232582), (898, 146594), (1036, 127067), (1132, 116291), (1796, 73297), (1981, 66452), (3143, 41884), (3962, 33226), (6286, 20942), (7924, 16613), (10471, 12572)]