31029248

素因数分解:

$2^{11}\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 63063000

約数和(自身を除く): 32033752

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 139, 218, 256, 278, 436, 512, 556, 872, 1024, 1112, 1744, 2048, 2224, 3488, 4448, 6976, 8896, 13952, 15151, 17792, 27904, 30302, 35584, 55808, 60604, 71168, 111616, 121208, 142336, 223232, 242416, 284672, 484832, 969664, 1939328, 3878656, 7757312, 15514624, 31029248]

約数ペア:

[(1, 31029248), (2, 15514624), (4, 7757312), (8, 3878656), (16, 1939328), (32, 969664), (64, 484832), (109, 284672), (128, 242416), (139, 223232), (218, 142336), (256, 121208), (278, 111616), (436, 71168), (512, 60604), (556, 55808), (872, 35584), (1024, 30302), (1112, 27904), (1744, 17792), (2048, 15151), (2224, 13952), (3488, 8896), (4448, 6976)]