847421978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{256639}}^1$

素因数の和:256781

約数の個数: 16

約数和(自身を含む): 1379696640

約数和(自身を除く): 532274662

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 256639, 513278, 3336307, 6672614, 32593153, 65186306, 423710989, 847421978]

約数ペア:

[(1, 847421978), (2, 423710989), (13, 65186306), (26, 32593153), (127, 6672614), (254, 3336307), (1651, 513278), (3302, 256639)]