220061390

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{85627}}^1$

素因数の和:85891

約数の個数: 16

約数和(自身を含む): 397656432

約数和(自身を除く): 177595042

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 85627, 171254, 428135, 856270, 22006139, 44012278, 110030695, 220061390]

約数ペア:

[(1, 220061390), (2, 110030695), (5, 44012278), (10, 22006139), (257, 856270), (514, 428135), (1285, 171254), (2570, 85627)]