689481716

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{11971}}^1$

素因数の和:12021

約数の個数: 72

約数和(自身を含む): 1605014208

約数和(自身を除く): 915532492

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 121, 154, 187, 238, 242, 308, 374, 476, 484, 748, 847, 1309, 1694, 2057, 2618, 3388, 4114, 5236, 8228, 11971, 14399, 23942, 28798, 47884, 57596, 83797, 131681, 167594, 203507, 263362, 335188, 407014, 526724, 814028, 921767, 1424549, 1448491, 1843534, 2238577, 2849098, 2896982, 3687068, 4477154, 5698196, 5793964, 8954308, 10139437, 15670039, 20278874, 24624347, 31340078, 40557748, 49248694, 62680156, 98497388, 172370429, 344740858, 689481716]

約数ペア:

[(1, 689481716), (2, 344740858), (4, 172370429), (7, 98497388), (11, 62680156), (14, 49248694), (17, 40557748), (22, 31340078), (28, 24624347), (34, 20278874), (44, 15670039), (68, 10139437), (77, 8954308), (119, 5793964), (121, 5698196), (154, 4477154), (187, 3687068), (238, 2896982), (242, 2849098), (308, 2238577), (374, 1843534), (476, 1448491), (484, 1424549), (748, 921767), (847, 814028), (1309, 526724), (1694, 407014), (2057, 335188), (2618, 263362), (3388, 203507), (4114, 167594), (5236, 131681), (8228, 83797), (11971, 57596), (14399, 47884), (23942, 28798)]