31668156

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:611

約数の個数: 72

約数和(自身を含む): 86958144

約数和(自身を除く): 55289988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 157, 234, 314, 431, 468, 471, 628, 862, 942, 1293, 1413, 1724, 1884, 2041, 2586, 2826, 3879, 4082, 5172, 5603, 5652, 6123, 7758, 8164, 11206, 12246, 15516, 16809, 18369, 22412, 24492, 33618, 36738, 50427, 67236, 67667, 73476, 100854, 135334, 201708, 203001, 270668, 406002, 609003, 812004, 879671, 1218006, 1759342, 2436012, 2639013, 3518684, 5278026, 7917039, 10556052, 15834078, 31668156]

約数ペア:

[(1, 31668156), (2, 15834078), (3, 10556052), (4, 7917039), (6, 5278026), (9, 3518684), (12, 2639013), (13, 2436012), (18, 1759342), (26, 1218006), (36, 879671), (39, 812004), (52, 609003), (78, 406002), (117, 270668), (156, 203001), (157, 201708), (234, 135334), (314, 100854), (431, 73476), (468, 67667), (471, 67236), (628, 50427), (862, 36738), (942, 33618), (1293, 24492), (1413, 22412), (1724, 18369), (1884, 16809), (2041, 15516), (2586, 12246), (2826, 11206), (3879, 8164), (4082, 7758), (5172, 6123), (5603, 5652)]