28718768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{138071}}^1$

素因数の和:138092

約数の個数: 20

約数和(自身を含む): 59923248

約数和(自身を除く): 31204480

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 138071, 276142, 552284, 1104568, 1794923, 2209136, 3589846, 7179692, 14359384, 28718768]

約数ペア:

[(1, 28718768), (2, 14359384), (4, 7179692), (8, 3589846), (13, 2209136), (16, 1794923), (26, 1104568), (52, 552284), (104, 276142), (208, 138071)]