128570344

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 285120000

約数和(自身を除く): 156549656

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 107, 172, 214, 301, 344, 428, 499, 602, 749, 856, 998, 1204, 1498, 1996, 2408, 2996, 3493, 3992, 4601, 5992, 6986, 9202, 13972, 18404, 21457, 27944, 32207, 36808, 42914, 53393, 64414, 85828, 106786, 128828, 150199, 171656, 213572, 257656, 300398, 373751, 427144, 600796, 747502, 1201592, 1495004, 2295899, 2990008, 4591798, 9183596, 16071293, 18367192, 32142586, 64285172, 128570344]

約数ペア:

[(1, 128570344), (2, 64285172), (4, 32142586), (7, 18367192), (8, 16071293), (14, 9183596), (28, 4591798), (43, 2990008), (56, 2295899), (86, 1495004), (107, 1201592), (172, 747502), (214, 600796), (301, 427144), (344, 373751), (428, 300398), (499, 257656), (602, 213572), (749, 171656), (856, 150199), (998, 128828), (1204, 106786), (1498, 85828), (1996, 64414), (2408, 53393), (2996, 42914), (3493, 36808), (3992, 32207), (4601, 27944), (5992, 21457), (6986, 18404), (9202, 13972)]