11978975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 15748992

約数和(自身を除く): 3770017

約数列:

[1, 5, 23, 25, 83, 115, 251, 415, 575, 1255, 1909, 2075, 5773, 6275, 9545, 20833, 28865, 47725, 104165, 144325, 479159, 520825, 2395795, 11978975]

約数ペア:

[(1, 11978975), (5, 2395795), (23, 520825), (25, 479159), (83, 144325), (115, 104165), (251, 47725), (415, 28865), (575, 20833), (1255, 9545), (1909, 6275), (2075, 5773)]