28725032

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 64204800

約数和(自身を除く): 35479768

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 79, 86, 151, 158, 172, 301, 302, 316, 344, 553, 602, 604, 632, 1057, 1106, 1204, 1208, 2114, 2212, 2408, 3397, 4228, 4424, 6493, 6794, 8456, 11929, 12986, 13588, 23779, 23858, 25972, 27176, 45451, 47558, 47716, 51944, 83503, 90902, 95116, 95432, 167006, 181804, 190232, 334012, 363608, 512947, 668024, 1025894, 2051788, 3590629, 4103576, 7181258, 14362516, 28725032]

約数ペア:

[(1, 28725032), (2, 14362516), (4, 7181258), (7, 4103576), (8, 3590629), (14, 2051788), (28, 1025894), (43, 668024), (56, 512947), (79, 363608), (86, 334012), (151, 190232), (158, 181804), (172, 167006), (301, 95432), (302, 95116), (316, 90902), (344, 83503), (553, 51944), (602, 47716), (604, 47558), (632, 45451), (1057, 27176), (1106, 25972), (1204, 23858), (1208, 23779), (2114, 13588), (2212, 12986), (2408, 11929), (3397, 8456), (4228, 6794), (4424, 6493)]