647803296

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{321331}}^1$

素因数の和:321354

約数の個数: 72

約数和(自身を含む): 2105367264

約数和(自身を除く): 1457563968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 321331, 642662, 963993, 1285324, 1927986, 2249317, 2570648, 2891979, 3855972, 4498634, 5141296, 5783958, 6747951, 7711944, 8997268, 10282592, 11567916, 13495902, 15423888, 17994536, 20243853, 23135832, 26991804, 30847776, 35989072, 40487706, 46271664, 53983608, 71978144, 80975412, 92543328, 107967216, 161950824, 215934432, 323901648, 647803296]

約数ペア:

[(1, 647803296), (2, 323901648), (3, 215934432), (4, 161950824), (6, 107967216), (7, 92543328), (8, 80975412), (9, 71978144), (12, 53983608), (14, 46271664), (16, 40487706), (18, 35989072), (21, 30847776), (24, 26991804), (28, 23135832), (32, 20243853), (36, 17994536), (42, 15423888), (48, 13495902), (56, 11567916), (63, 10282592), (72, 8997268), (84, 7711944), (96, 6747951), (112, 5783958), (126, 5141296), (144, 4498634), (168, 3855972), (224, 2891979), (252, 2570648), (288, 2249317), (336, 1927986), (504, 1285324), (672, 963993), (1008, 642662), (2016, 321331)]