209220715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{27367}}^1$

素因数の和:27522

約数の個数: 16

約数和(自身を含む): 275869440

約数和(自身を除く): 66648725

約数列:

[1, 5, 11, 55, 139, 695, 1529, 7645, 27367, 136835, 301037, 1505185, 3804013, 19020065, 41844143, 209220715]

約数ペア:

[(1, 209220715), (5, 41844143), (11, 19020065), (55, 3804013), (139, 1505185), (695, 301037), (1529, 136835), (7645, 27367)]