13998908

素因数分解:

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

素因数の和:223

約数の個数: 72

約数和(自身を含む): 32022144

約数和(自身を除く): 18023236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 49, 77, 86, 98, 151, 154, 172, 196, 301, 302, 308, 473, 539, 602, 604, 946, 1057, 1078, 1204, 1661, 1892, 2107, 2114, 2156, 3311, 3322, 4214, 4228, 6493, 6622, 6644, 7399, 8428, 11627, 12986, 13244, 14798, 23177, 23254, 25972, 29596, 45451, 46354, 46508, 71423, 81389, 90902, 92708, 142846, 162778, 181804, 285692, 318157, 325556, 499961, 636314, 999922, 1272628, 1999844, 3499727, 6999454, 13998908]

約数ペア:

[(1, 13998908), (2, 6999454), (4, 3499727), (7, 1999844), (11, 1272628), (14, 999922), (22, 636314), (28, 499961), (43, 325556), (44, 318157), (49, 285692), (77, 181804), (86, 162778), (98, 142846), (151, 92708), (154, 90902), (172, 81389), (196, 71423), (301, 46508), (302, 46354), (308, 45451), (473, 29596), (539, 25972), (602, 23254), (604, 23177), (946, 14798), (1057, 13244), (1078, 12986), (1204, 11627), (1661, 8428), (1892, 7399), (2107, 6644), (2114, 6622), (2156, 6493), (3311, 4228), (3322, 4214)]