25428991

素因数分解:

$7^5\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 24

約数和(自身を含む): 31764960

約数和(自身を除く): 6335969

約数列:

[1, 7, 17, 49, 89, 119, 343, 623, 833, 1513, 2401, 4361, 5831, 10591, 16807, 30527, 40817, 74137, 213689, 285719, 518959, 1495823, 3632713, 25428991]

約数ペア:

[(1, 25428991), (7, 3632713), (17, 1495823), (49, 518959), (89, 285719), (119, 213689), (343, 74137), (623, 40817), (833, 30527), (1513, 16807), (2401, 10591), (4361, 5831)]