257424908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{4950479}}^1$

素因数の和:4950496

約数の個数: 12

約数和(自身を含む): 485147040

約数和(自身を除く): 227722132

約数列:

[1, 2, 4, 13, 26, 52, 4950479, 9900958, 19801916, 64356227, 128712454, 257424908]

約数ペア:

[(1, 257424908), (2, 128712454), (4, 64356227), (13, 19801916), (26, 9900958), (52, 4950479)]