28294145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3701}}^1$

素因数の和:3856

約数の個数: 16

約数和(自身を含む): 37316160

約数和(自身を除く): 9022015

約数列:

[1, 5, 11, 55, 139, 695, 1529, 3701, 7645, 18505, 40711, 203555, 514439, 2572195, 5658829, 28294145]

約数ペア:

[(1, 28294145), (5, 5658829), (11, 2572195), (55, 514439), (139, 203555), (695, 40711), (1529, 18505), (3701, 7645)]