211312304

素因数分解:

$2^4\times 7^2\times {\mathrm{409}}^1\times {\mathrm{659}}^1$

素因数の和:1090

約数の個数: 60

約数和(自身を含む): 478150200

約数和(自身を除く): 266837896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 409, 659, 784, 818, 1318, 1636, 2636, 2863, 3272, 4613, 5272, 5726, 6544, 9226, 10544, 11452, 18452, 20041, 22904, 32291, 36904, 40082, 45808, 64582, 73808, 80164, 129164, 160328, 258328, 269531, 320656, 516656, 539062, 1078124, 1886717, 2156248, 3773434, 4312496, 7546868, 13207019, 15093736, 26414038, 30187472, 52828076, 105656152, 211312304]

約数ペア:

[(1, 211312304), (2, 105656152), (4, 52828076), (7, 30187472), (8, 26414038), (14, 15093736), (16, 13207019), (28, 7546868), (49, 4312496), (56, 3773434), (98, 2156248), (112, 1886717), (196, 1078124), (392, 539062), (409, 516656), (659, 320656), (784, 269531), (818, 258328), (1318, 160328), (1636, 129164), (2636, 80164), (2863, 73808), (3272, 64582), (4613, 45808), (5272, 40082), (5726, 36904), (6544, 32291), (9226, 22904), (10544, 20041), (11452, 18452)]