31729356

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 83283200

約数和(自身を除く): 51553844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 103, 129, 172, 199, 206, 258, 309, 387, 398, 412, 516, 597, 618, 774, 796, 927, 1194, 1236, 1548, 1791, 1854, 2388, 3582, 3708, 4429, 7164, 8557, 8858, 13287, 17114, 17716, 20497, 25671, 26574, 34228, 39861, 40994, 51342, 53148, 61491, 77013, 79722, 81988, 102684, 122982, 154026, 159444, 184473, 245964, 308052, 368946, 737892, 881371, 1762742, 2644113, 3525484, 5288226, 7932339, 10576452, 15864678, 31729356]

約数ペア:

[(1, 31729356), (2, 15864678), (3, 10576452), (4, 7932339), (6, 5288226), (9, 3525484), (12, 2644113), (18, 1762742), (36, 881371), (43, 737892), (86, 368946), (103, 308052), (129, 245964), (172, 184473), (199, 159444), (206, 154026), (258, 122982), (309, 102684), (387, 81988), (398, 79722), (412, 77013), (516, 61491), (597, 53148), (618, 51342), (774, 40994), (796, 39861), (927, 34228), (1194, 26574), (1236, 25671), (1548, 20497), (1791, 17716), (1854, 17114), (2388, 13287), (3582, 8858), (3708, 8557), (4429, 7164)]