28705976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{276019}}^1$

素因数の和:276038

約数の個数: 16

約数和(自身を含む): 57964200

約数和(自身を除く): 29258224

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 276019, 552038, 1104076, 2208152, 3588247, 7176494, 14352988, 28705976]

約数ペア:

[(1, 28705976), (2, 14352988), (4, 7176494), (8, 3588247), (13, 2208152), (26, 1104076), (52, 552038), (104, 276019)]