638742

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 1451520

約数和(自身を除く): 812778

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 431, 494, 741, 862, 1293, 1482, 2586, 5603, 8189, 11206, 16378, 16809, 24567, 33618, 49134, 106457, 212914, 319371, 638742]

約数ペア:

[(1, 638742), (2, 319371), (3, 212914), (6, 106457), (13, 49134), (19, 33618), (26, 24567), (38, 16809), (39, 16378), (57, 11206), (78, 8189), (114, 5603), (247, 2586), (431, 1482), (494, 1293), (741, 862)]