205370512

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{57559}}^1$

素因数の和:57790

約数の個数: 20

約数和(自身を含む): 399696640

約数和(自身を除く): 194326128

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 57559, 115118, 230236, 460472, 920944, 12835657, 25671314, 51342628, 102685256, 205370512]

約数ペア:

[(1, 205370512), (2, 102685256), (4, 51342628), (8, 25671314), (16, 12835657), (223, 920944), (446, 460472), (892, 230236), (1784, 115118), (3568, 57559)]