726802146

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{640919}}^1$

素因数の和:640940

約数の個数: 40

約数和(自身を含む): 1861231680

約数和(自身を除く): 1134429534

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 640919, 1281838, 1922757, 3845514, 4486433, 5768271, 8972866, 11536542, 13459299, 17304813, 26918598, 34609626, 40377897, 51914439, 80755794, 103828878, 121133691, 242267382, 363401073, 726802146]

約数ペア:

[(1, 726802146), (2, 363401073), (3, 242267382), (6, 121133691), (7, 103828878), (9, 80755794), (14, 51914439), (18, 40377897), (21, 34609626), (27, 26918598), (42, 17304813), (54, 13459299), (63, 11536542), (81, 8972866), (126, 5768271), (162, 4486433), (189, 3845514), (378, 1922757), (567, 1281838), (1134, 640919)]