28684458

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{523}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 68174496

約数和(自身を除く): 39490038

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 277, 523, 554, 831, 1046, 1569, 1662, 2493, 3047, 3138, 4707, 4986, 5753, 6094, 9141, 9414, 11506, 17259, 18282, 27423, 34518, 51777, 54846, 103554, 144871, 289742, 434613, 869226, 1303839, 1593581, 2607678, 3187162, 4780743, 9561486, 14342229, 28684458]

約数ペア:

[(1, 28684458), (2, 14342229), (3, 9561486), (6, 4780743), (9, 3187162), (11, 2607678), (18, 1593581), (22, 1303839), (33, 869226), (66, 434613), (99, 289742), (198, 144871), (277, 103554), (523, 54846), (554, 51777), (831, 34518), (1046, 27423), (1569, 18282), (1662, 17259), (2493, 11506), (3047, 9414), (3138, 9141), (4707, 6094), (4986, 5753)]