205657705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{128939}}^1$

素因数の和:128984

約数の個数: 16

約数和(自身を含む): 278510400

約数和(自身を除く): 72852695

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 128939, 644695, 1418329, 3739231, 7091645, 18696155, 41131541, 205657705]

約数ペア:

[(1, 205657705), (5, 41131541), (11, 18696155), (29, 7091645), (55, 3739231), (145, 1418329), (319, 644695), (1595, 128939)]