220572794

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 362880000

約数和(自身を除く): 142307206

約数列:

[1, 2, 13, 26, 89, 178, 199, 398, 479, 958, 1157, 2314, 2587, 5174, 6227, 12454, 17711, 35422, 42631, 85262, 95321, 190642, 230243, 460486, 554203, 1108406, 1239173, 2478346, 8483569, 16967138, 110286397, 220572794]

約数ペア:

[(1, 220572794), (2, 110286397), (13, 16967138), (26, 8483569), (89, 2478346), (178, 1239173), (199, 1108406), (398, 554203), (479, 460486), (958, 230243), (1157, 190642), (2314, 95321), (2587, 85262), (5174, 42631), (6227, 35422), (12454, 17711)]