397401366986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{541}}^1\times {\mathrm{179953}}^1$

素因数の和:180666

約数の個数: 32

約数和(自身を含む): 647242711248

約数和(自身を除く): 249841344262

約数列:

[1, 2, 13, 26, 157, 314, 541, 1082, 2041, 4082, 7033, 14066, 84937, 169874, 179953, 359906, 1104181, 2208362, 2339389, 4678778, 28252621, 56505242, 97354573, 194709146, 367284073, 734568146, 1265609449, 2531218898, 15284667961, 30569335922, 198700683493, 397401366986]

約数ペア:

[(1, 397401366986), (2, 198700683493), (13, 30569335922), (26, 15284667961), (157, 2531218898), (314, 1265609449), (541, 734568146), (1082, 367284073), (2041, 194709146), (4082, 97354573), (7033, 56505242), (14066, 28252621), (84937, 4678778), (169874, 2339389), (179953, 2208362), (359906, 1104181)]