128687045

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1\times {\mathrm{1171}}^1$

素因数の和:1916

約数の個数: 16

約数和(自身を含む): 159767040

約数和(自身を除く): 31079995

約数列:

[1, 5, 31, 155, 709, 1171, 3545, 5855, 21979, 36301, 109895, 181505, 830239, 4151195, 25737409, 128687045]

約数ペア:

[(1, 128687045), (5, 25737409), (31, 4151195), (155, 830239), (709, 181505), (1171, 109895), (3545, 36301), (5855, 21979)]