28420199135

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1\times {\mathrm{172867}}^1$

素因数の和:173254

約数の個数: 16

約数和(自身を含む): 34501686912

約数和(自身を除く): 6081487777

約数列:

[1, 5, 131, 251, 655, 1255, 32881, 164405, 172867, 864335, 22645577, 43389617, 113227885, 216948085, 5684039827, 28420199135]

約数ペア:

[(1, 28420199135), (5, 5684039827), (131, 216948085), (251, 113227885), (655, 43389617), (1255, 22645577), (32881, 864335), (164405, 172867)]