3999688

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 9630720

約数和(自身を除く): 5631032

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 43, 44, 56, 77, 86, 88, 151, 154, 172, 301, 302, 308, 344, 473, 602, 604, 616, 946, 1057, 1204, 1208, 1661, 1892, 2114, 2408, 3311, 3322, 3784, 4228, 6493, 6622, 6644, 8456, 11627, 12986, 13244, 13288, 23254, 25972, 26488, 45451, 46508, 51944, 71423, 90902, 93016, 142846, 181804, 285692, 363608, 499961, 571384, 999922, 1999844, 3999688]

約数ペア:

[(1, 3999688), (2, 1999844), (4, 999922), (7, 571384), (8, 499961), (11, 363608), (14, 285692), (22, 181804), (28, 142846), (43, 93016), (44, 90902), (56, 71423), (77, 51944), (86, 46508), (88, 45451), (151, 26488), (154, 25972), (172, 23254), (301, 13288), (302, 13244), (308, 12986), (344, 11627), (473, 8456), (602, 6644), (604, 6622), (616, 6493), (946, 4228), (1057, 3784), (1204, 3322), (1208, 3311), (1661, 2408), (1892, 2114)]