2650004

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 5677056

約数和(自身を除く): 3027052

約数列:

[1, 2, 4, 7, 14, 28, 31, 43, 62, 71, 86, 124, 142, 172, 217, 284, 301, 434, 497, 602, 868, 994, 1204, 1333, 1988, 2201, 2666, 3053, 4402, 5332, 6106, 8804, 9331, 12212, 15407, 18662, 21371, 30814, 37324, 42742, 61628, 85484, 94643, 189286, 378572, 662501, 1325002, 2650004]

約数ペア:

[(1, 2650004), (2, 1325002), (4, 662501), (7, 378572), (14, 189286), (28, 94643), (31, 85484), (43, 61628), (62, 42742), (71, 37324), (86, 30814), (124, 21371), (142, 18662), (172, 15407), (217, 12212), (284, 9331), (301, 8804), (434, 6106), (497, 5332), (602, 4402), (868, 3053), (994, 2666), (1204, 2201), (1333, 1988)]