209519988

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1\times {\mathrm{751}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 498269184

約数和(自身を除く): 288749196

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 347, 402, 694, 751, 804, 1041, 1388, 1502, 2082, 2253, 3004, 4164, 4506, 9012, 23249, 46498, 50317, 69747, 92996, 100634, 139494, 150951, 201268, 260597, 278988, 301902, 521194, 603804, 781791, 1042388, 1563582, 3127164, 17459999, 34919998, 52379997, 69839996, 104759994, 209519988]

約数ペア:

[(1, 209519988), (2, 104759994), (3, 69839996), (4, 52379997), (6, 34919998), (12, 17459999), (67, 3127164), (134, 1563582), (201, 1042388), (268, 781791), (347, 603804), (402, 521194), (694, 301902), (751, 278988), (804, 260597), (1041, 201268), (1388, 150951), (1502, 139494), (2082, 100634), (2253, 92996), (3004, 69747), (4164, 50317), (4506, 46498), (9012, 23249)]