218231748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{11863}}^1$

素因数の和:11953

約数の個数: 72

約数和(自身を含む): 639137408

約数和(自身を除く): 420905660

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 73, 84, 126, 146, 219, 252, 292, 438, 511, 657, 876, 1022, 1314, 1533, 2044, 2628, 3066, 4599, 6132, 9198, 11863, 18396, 23726, 35589, 47452, 71178, 83041, 106767, 142356, 166082, 213534, 249123, 332164, 427068, 498246, 747369, 865999, 996492, 1494738, 1731998, 2597997, 2989476, 3463996, 5195994, 6061993, 7793991, 10391988, 12123986, 15587982, 18185979, 24247972, 31175964, 36371958, 54557937, 72743916, 109115874, 218231748]

約数ペア:

[(1, 218231748), (2, 109115874), (3, 72743916), (4, 54557937), (6, 36371958), (7, 31175964), (9, 24247972), (12, 18185979), (14, 15587982), (18, 12123986), (21, 10391988), (28, 7793991), (36, 6061993), (42, 5195994), (63, 3463996), (73, 2989476), (84, 2597997), (126, 1731998), (146, 1494738), (219, 996492), (252, 865999), (292, 747369), (438, 498246), (511, 427068), (657, 332164), (876, 249123), (1022, 213534), (1314, 166082), (1533, 142356), (2044, 106767), (2628, 83041), (3066, 71178), (4599, 47452), (6132, 35589), (9198, 23726), (11863, 18396)]