217894768

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21379}}^1$

素因数の和:21414

約数の個数: 60

約数和(自身を含む): 528898440

約数和(自身を除く): 311003672

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 2548, 5096, 10192, 21379, 42758, 85516, 149653, 171032, 277927, 299306, 342064, 555854, 598612, 1047571, 1111708, 1197224, 1945489, 2095142, 2223416, 2394448, 3890978, 4190284, 4446832, 7781956, 8380568, 13618423, 15563912, 16761136, 27236846, 31127824, 54473692, 108947384, 217894768]

約数ペア:

[(1, 217894768), (2, 108947384), (4, 54473692), (7, 31127824), (8, 27236846), (13, 16761136), (14, 15563912), (16, 13618423), (26, 8380568), (28, 7781956), (49, 4446832), (52, 4190284), (56, 3890978), (91, 2394448), (98, 2223416), (104, 2095142), (112, 1945489), (182, 1197224), (196, 1111708), (208, 1047571), (364, 598612), (392, 555854), (637, 342064), (728, 299306), (784, 277927), (1274, 171032), (1456, 149653), (2548, 85516), (5096, 42758), (10192, 21379)]