1389046175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{353}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 1935813600

約数和(自身を除く): 546767425

約数列:

[1, 5, 11, 25, 41, 55, 205, 275, 349, 353, 451, 1025, 1745, 1765, 2255, 3839, 3883, 8725, 8825, 11275, 14309, 14473, 19195, 19415, 71545, 72365, 95975, 97075, 123197, 157399, 159203, 357725, 361825, 615985, 786995, 796015, 1355167, 3079925, 3934975, 3980075, 5051077, 6775835, 25255385, 33879175, 55561847, 126276925, 277809235, 1389046175]

約数ペア:

[(1, 1389046175), (5, 277809235), (11, 126276925), (25, 55561847), (41, 33879175), (55, 25255385), (205, 6775835), (275, 5051077), (349, 3980075), (353, 3934975), (451, 3079925), (1025, 1355167), (1745, 796015), (1765, 786995), (2255, 615985), (3839, 361825), (3883, 357725), (8725, 159203), (8825, 157399), (11275, 123197), (14309, 97075), (14473, 95975), (19195, 72365), (19415, 71545)]