81668272

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{727}}^1$

素因数の和:818

約数の個数: 80

約数和(自身を含む): 194987520

約数和(自身を除く): 113319248

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 59, 68, 112, 118, 119, 136, 236, 238, 272, 413, 472, 476, 727, 826, 944, 952, 1003, 1454, 1652, 1904, 2006, 2908, 3304, 4012, 5089, 5816, 6608, 7021, 8024, 10178, 11632, 12359, 14042, 16048, 20356, 24718, 28084, 40712, 42893, 49436, 56168, 81424, 85786, 86513, 98872, 112336, 171572, 173026, 197744, 300251, 343144, 346052, 600502, 686288, 692104, 729181, 1201004, 1384208, 1458362, 2402008, 2916724, 4804016, 5104267, 5833448, 10208534, 11666896, 20417068, 40834136, 81668272]

約数ペア:

[(1, 81668272), (2, 40834136), (4, 20417068), (7, 11666896), (8, 10208534), (14, 5833448), (16, 5104267), (17, 4804016), (28, 2916724), (34, 2402008), (56, 1458362), (59, 1384208), (68, 1201004), (112, 729181), (118, 692104), (119, 686288), (136, 600502), (236, 346052), (238, 343144), (272, 300251), (413, 197744), (472, 173026), (476, 171572), (727, 112336), (826, 98872), (944, 86513), (952, 85786), (1003, 81424), (1454, 56168), (1652, 49436), (1904, 42893), (2006, 40712), (2908, 28084), (3304, 24718), (4012, 20356), (5089, 16048), (5816, 14042), (6608, 12359), (7021, 11632), (8024, 10178)]