123198784

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:647

約数の個数: 56

約数和(自身を含む): 253471680

約数和(自身を除く): 130272896

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 89, 172, 178, 344, 356, 503, 688, 712, 1006, 1376, 1424, 2012, 2752, 2848, 3827, 4024, 5696, 7654, 8048, 15308, 16096, 21629, 30616, 32192, 43258, 44767, 61232, 86516, 89534, 122464, 173032, 179068, 244928, 346064, 358136, 692128, 716272, 1384256, 1432544, 1924981, 2865088, 3849962, 7699924, 15399848, 30799696, 61599392, 123198784]

約数ペア:

[(1, 123198784), (2, 61599392), (4, 30799696), (8, 15399848), (16, 7699924), (32, 3849962), (43, 2865088), (64, 1924981), (86, 1432544), (89, 1384256), (172, 716272), (178, 692128), (344, 358136), (356, 346064), (503, 244928), (688, 179068), (712, 173032), (1006, 122464), (1376, 89534), (1424, 86516), (2012, 61232), (2752, 44767), (2848, 43258), (3827, 32192), (4024, 30616), (5696, 21629), (7654, 16096), (8048, 15308)]