1988064694

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{1181}}^1$

素因数の和:1861

約数の個数: 64

約数和(自身を含む): 3946102272

約数和(自身を除く): 1958037578

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 643, 1181, 1286, 1309, 2362, 2618, 4501, 7073, 8267, 9002, 10931, 12991, 14146, 16534, 20077, 21862, 25982, 40154, 49511, 76517, 90937, 99022, 120241, 140539, 153034, 181874, 220847, 240482, 281078, 441694, 759383, 841687, 1518766, 1545929, 1683374, 3091858, 5315681, 8353213, 10631362, 12909511, 16706426, 25819022, 58472491, 90366577, 116944982, 142004621, 180733154, 284009242, 994032347, 1988064694]

約数ペア:

[(1, 1988064694), (2, 994032347), (7, 284009242), (11, 180733154), (14, 142004621), (17, 116944982), (22, 90366577), (34, 58472491), (77, 25819022), (119, 16706426), (154, 12909511), (187, 10631362), (238, 8353213), (374, 5315681), (643, 3091858), (1181, 1683374), (1286, 1545929), (1309, 1518766), (2362, 841687), (2618, 759383), (4501, 441694), (7073, 281078), (8267, 240482), (9002, 220847), (10931, 181874), (12991, 153034), (14146, 140539), (16534, 120241), (20077, 99022), (21862, 90937), (25982, 76517), (40154, 49511)]