31312988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 66931200

約数和(自身を除く): 35618212

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 71, 76, 133, 142, 266, 284, 497, 532, 829, 994, 1349, 1658, 1988, 2698, 3316, 5396, 5803, 9443, 11606, 15751, 18886, 23212, 31502, 37772, 58859, 63004, 110257, 117718, 220514, 235436, 412013, 441028, 824026, 1118321, 1648052, 2236642, 4473284, 7828247, 15656494, 31312988]

約数ペア:

[(1, 31312988), (2, 15656494), (4, 7828247), (7, 4473284), (14, 2236642), (19, 1648052), (28, 1118321), (38, 824026), (71, 441028), (76, 412013), (133, 235436), (142, 220514), (266, 117718), (284, 110257), (497, 63004), (532, 58859), (829, 37772), (994, 31502), (1349, 23212), (1658, 18886), (1988, 15751), (2698, 11606), (3316, 9443), (5396, 5803)]