81759356

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 173026560

約数和(自身を除く): 91267204

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 313, 491, 532, 626, 982, 1252, 1964, 2191, 3437, 4382, 5947, 6874, 8764, 9329, 11894, 13748, 18658, 23788, 37316, 41629, 65303, 83258, 130606, 153683, 166516, 261212, 307366, 614732, 1075781, 2151562, 2919977, 4303124, 5839954, 11679908, 20439839, 40879678, 81759356]

約数ペア:

[(1, 81759356), (2, 40879678), (4, 20439839), (7, 11679908), (14, 5839954), (19, 4303124), (28, 2919977), (38, 2151562), (76, 1075781), (133, 614732), (266, 307366), (313, 261212), (491, 166516), (532, 153683), (626, 130606), (982, 83258), (1252, 65303), (1964, 41629), (2191, 37316), (3437, 23788), (4382, 18658), (5947, 13748), (6874, 11894), (8764, 9329)]