28680426

素因数分解:

$2^1\times 3^3\times {\mathrm{139}}^1\times {\mathrm{3821}}^1$

素因数の和:3971

約数の個数: 32

約数和(自身を含む): 64209600

約数和(自身を除く): 35529174

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 139, 278, 417, 834, 1251, 2502, 3753, 3821, 7506, 7642, 11463, 22926, 34389, 68778, 103167, 206334, 531119, 1062238, 1593357, 3186714, 4780071, 9560142, 14340213, 28680426]

約数ペア:

[(1, 28680426), (2, 14340213), (3, 9560142), (6, 4780071), (9, 3186714), (18, 1593357), (27, 1062238), (54, 531119), (139, 206334), (278, 103167), (417, 68778), (834, 34389), (1251, 22926), (2502, 11463), (3753, 7642), (3821, 7506)]