28405052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 56297472

約数和(自身を除く): 27892420

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 67, 124, 134, 263, 268, 403, 526, 806, 871, 1052, 1612, 1742, 2077, 3419, 3484, 4154, 6838, 8153, 8308, 13676, 16306, 17621, 27001, 32612, 35242, 54002, 70484, 105989, 108004, 211978, 229073, 423956, 458146, 546251, 916292, 1092502, 2185004, 7101263, 14202526, 28405052]

約数ペア:

[(1, 28405052), (2, 14202526), (4, 7101263), (13, 2185004), (26, 1092502), (31, 916292), (52, 546251), (62, 458146), (67, 423956), (124, 229073), (134, 211978), (263, 108004), (268, 105989), (403, 70484), (526, 54002), (806, 35242), (871, 32612), (1052, 27001), (1612, 17621), (1742, 16306), (2077, 13676), (3419, 8308), (3484, 8153), (4154, 6838)]