77288428

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1109}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 164102400

約数和(自身を除く): 86813972

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 131, 133, 262, 266, 524, 532, 917, 1109, 1834, 2218, 2489, 3668, 4436, 4978, 7763, 9956, 15526, 17423, 21071, 31052, 34846, 42142, 69692, 84284, 145279, 147497, 290558, 294994, 581116, 589988, 1016953, 2033906, 2760301, 4067812, 5520602, 11041204, 19322107, 38644214, 77288428]

約数ペア:

[(1, 77288428), (2, 38644214), (4, 19322107), (7, 11041204), (14, 5520602), (19, 4067812), (28, 2760301), (38, 2033906), (76, 1016953), (131, 589988), (133, 581116), (262, 294994), (266, 290558), (524, 147497), (532, 145279), (917, 84284), (1109, 69692), (1834, 42142), (2218, 34846), (2489, 31052), (3668, 21071), (4436, 17423), (4978, 15526), (7763, 9956)]