28972606

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 49674240

約数和(自身を除く): 20701634

約数列:

[1, 2, 13, 19, 26, 38, 223, 247, 263, 446, 494, 526, 2899, 3419, 4237, 4997, 5798, 6838, 8474, 9994, 55081, 58649, 64961, 110162, 117298, 129922, 762437, 1114331, 1524874, 2228662, 14486303, 28972606]

約数ペア:

[(1, 28972606), (2, 14486303), (13, 2228662), (19, 1524874), (26, 1114331), (38, 762437), (223, 129922), (247, 117298), (263, 110162), (446, 64961), (494, 58649), (526, 55081), (2899, 9994), (3419, 8474), (4237, 6838), (4997, 5798)]