51381136

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{103591}}^1$

素因数の和:103630

約数の個数: 20

約数和(自身を含む): 102763264

約数和(自身を除く): 51382128

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 103591, 207182, 414364, 828728, 1657456, 3211321, 6422642, 12845284, 25690568, 51381136]

約数ペア:

[(1, 51381136), (2, 25690568), (4, 12845284), (8, 6422642), (16, 3211321), (31, 1657456), (62, 828728), (124, 414364), (248, 207182), (496, 103591)]