138713905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{24971}}^1$

素因数の和:25088

約数の個数: 16

約数和(自身を含む): 183394368

約数和(自身を除く): 44680463

約数列:

[1, 5, 11, 55, 101, 505, 1111, 5555, 24971, 124855, 274681, 1373405, 2522071, 12610355, 27742781, 138713905]

約数ペア:

[(1, 138713905), (5, 27742781), (11, 12610355), (55, 2522071), (101, 1373405), (505, 274681), (1111, 124855), (5555, 24971)]