28805872

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:481

約数の個数: 40

約数和(自身を含む): 57697200

約数和(自身を除く): 28891328

約数列:

[1, 2, 4, 8, 16, 43, 86, 149, 172, 281, 298, 344, 562, 596, 688, 1124, 1192, 2248, 2384, 4496, 6407, 12083, 12814, 24166, 25628, 41869, 48332, 51256, 83738, 96664, 102512, 167476, 193328, 334952, 669904, 1800367, 3600734, 7201468, 14402936, 28805872]

約数ペア:

[(1, 28805872), (2, 14402936), (4, 7201468), (8, 3600734), (16, 1800367), (43, 669904), (86, 334952), (149, 193328), (172, 167476), (281, 102512), (298, 96664), (344, 83738), (562, 51256), (596, 48332), (688, 41869), (1124, 25628), (1192, 24166), (2248, 12814), (2384, 12083), (4496, 6407)]