28905162

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{571}}^1$

素因数の和:659

約数の個数: 64

約数和(自身を含む): 69189120

約数和(自身を除く): 40283958

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 59, 66, 78, 118, 143, 177, 286, 354, 429, 571, 649, 767, 858, 1142, 1298, 1534, 1713, 1947, 2301, 3426, 3894, 4602, 6281, 7423, 8437, 12562, 14846, 16874, 18843, 22269, 25311, 33689, 37686, 44538, 50622, 67378, 81653, 101067, 163306, 202134, 244959, 370579, 437957, 489918, 741158, 875914, 1111737, 1313871, 2223474, 2627742, 4817527, 9635054, 14452581, 28905162]

約数ペア:

[(1, 28905162), (2, 14452581), (3, 9635054), (6, 4817527), (11, 2627742), (13, 2223474), (22, 1313871), (26, 1111737), (33, 875914), (39, 741158), (59, 489918), (66, 437957), (78, 370579), (118, 244959), (143, 202134), (177, 163306), (286, 101067), (354, 81653), (429, 67378), (571, 50622), (649, 44538), (767, 37686), (858, 33689), (1142, 25311), (1298, 22269), (1534, 18843), (1713, 16874), (1947, 14846), (2301, 12562), (3426, 8437), (3894, 7423), (4602, 6281)]