28894424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 63050400

約数和(自身を除く): 34155976

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 59, 68, 104, 118, 136, 221, 236, 277, 442, 472, 554, 767, 884, 1003, 1108, 1534, 1768, 2006, 2216, 3068, 3601, 4012, 4709, 6136, 7202, 8024, 9418, 13039, 14404, 16343, 18836, 26078, 28808, 32686, 37672, 52156, 61217, 65372, 104312, 122434, 130744, 212459, 244868, 277831, 424918, 489736, 555662, 849836, 1111324, 1699672, 2222648, 3611803, 7223606, 14447212, 28894424]

約数ペア:

[(1, 28894424), (2, 14447212), (4, 7223606), (8, 3611803), (13, 2222648), (17, 1699672), (26, 1111324), (34, 849836), (52, 555662), (59, 489736), (68, 424918), (104, 277831), (118, 244868), (136, 212459), (221, 130744), (236, 122434), (277, 104312), (442, 65372), (472, 61217), (554, 52156), (767, 37672), (884, 32686), (1003, 28808), (1108, 26078), (1534, 18836), (1768, 16343), (2006, 14404), (2216, 13039), (3068, 9418), (3601, 8024), (4012, 7202), (4709, 6136)]