131991156

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:382

約数の個数: 108

約数和(自身を含む): 370981156

約数和(自身を除く): 238990000

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 157, 193, 198, 242, 314, 363, 386, 396, 471, 484, 579, 628, 726, 772, 942, 1089, 1158, 1413, 1452, 1727, 1737, 1884, 2123, 2178, 2316, 2826, 3454, 3474, 4246, 4356, 5181, 5652, 6369, 6908, 6948, 8492, 10362, 12738, 15543, 18997, 19107, 20724, 23353, 25476, 30301, 31086, 37994, 38214, 46706, 56991, 60602, 62172, 70059, 75988, 76428, 90903, 93412, 113982, 121204, 140118, 170973, 181806, 210177, 227964, 272709, 280236, 333311, 341946, 363612, 420354, 545418, 666622, 683892, 840708, 999933, 1090836, 1333244, 1999866, 2999799, 3666421, 3999732, 5999598, 7332842, 10999263, 11999196, 14665684, 21998526, 32997789, 43997052, 65995578, 131991156]

約数ペア:

[(1, 131991156), (2, 65995578), (3, 43997052), (4, 32997789), (6, 21998526), (9, 14665684), (11, 11999196), (12, 10999263), (18, 7332842), (22, 5999598), (33, 3999732), (36, 3666421), (44, 2999799), (66, 1999866), (99, 1333244), (121, 1090836), (132, 999933), (157, 840708), (193, 683892), (198, 666622), (242, 545418), (314, 420354), (363, 363612), (386, 341946), (396, 333311), (471, 280236), (484, 272709), (579, 227964), (628, 210177), (726, 181806), (772, 170973), (942, 140118), (1089, 121204), (1158, 113982), (1413, 93412), (1452, 90903), (1727, 76428), (1737, 75988), (1884, 70059), (2123, 62172), (2178, 60602), (2316, 56991), (2826, 46706), (3454, 38214), (3474, 37994), (4246, 31086), (4356, 30301), (5181, 25476), (5652, 23353), (6369, 20724), (6908, 19107), (6948, 18997), (8492, 15543), (10362, 12738)]