161220416

素因数分解:

$2^6\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8369}}^1$

素因数の和:8431

約数の個数: 56

約数和(自身を含む): 374172480

約数和(自身を除く): 212952064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 172, 224, 301, 344, 448, 602, 688, 1204, 1376, 2408, 2752, 4816, 8369, 9632, 16738, 19264, 33476, 58583, 66952, 117166, 133904, 234332, 267808, 359867, 468664, 535616, 719734, 937328, 1439468, 1874656, 2519069, 2878936, 3749312, 5038138, 5757872, 10076276, 11515744, 20152552, 23031488, 40305104, 80610208, 161220416]

約数ペア:

[(1, 161220416), (2, 80610208), (4, 40305104), (7, 23031488), (8, 20152552), (14, 11515744), (16, 10076276), (28, 5757872), (32, 5038138), (43, 3749312), (56, 2878936), (64, 2519069), (86, 1874656), (112, 1439468), (172, 937328), (224, 719734), (301, 535616), (344, 468664), (448, 359867), (602, 267808), (688, 234332), (1204, 133904), (1376, 117166), (2408, 66952), (2752, 58583), (4816, 33476), (8369, 19264), (9632, 16738)]