1999844

素因数分解:

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

素因数の和:216

約数の個数: 48

約数和(自身を含む): 4494336

約数和(自身を除く): 2494492

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 77, 86, 151, 154, 172, 301, 302, 308, 473, 602, 604, 946, 1057, 1204, 1661, 1892, 2114, 3311, 3322, 4228, 6493, 6622, 6644, 11627, 12986, 13244, 23254, 25972, 45451, 46508, 71423, 90902, 142846, 181804, 285692, 499961, 999922, 1999844]

約数ペア:

[(1, 1999844), (2, 999922), (4, 499961), (7, 285692), (11, 181804), (14, 142846), (22, 90902), (28, 71423), (43, 46508), (44, 45451), (77, 25972), (86, 23254), (151, 13244), (154, 12986), (172, 11627), (301, 6644), (302, 6622), (308, 6493), (473, 4228), (602, 3322), (604, 3311), (946, 2114), (1057, 1892), (1204, 1661)]