38901455

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 51321600

約数和(自身を除く): 12420145

約数列:

[1, 5, 19, 43, 89, 95, 107, 215, 445, 535, 817, 1691, 2033, 3827, 4085, 4601, 8455, 9523, 10165, 19135, 23005, 47615, 72713, 87419, 180937, 363565, 409489, 437095, 904685, 2047445, 7780291, 38901455]

約数ペア:

[(1, 38901455), (5, 7780291), (19, 2047445), (43, 904685), (89, 437095), (95, 409489), (107, 363565), (215, 180937), (445, 87419), (535, 72713), (817, 47615), (1691, 23005), (2033, 19135), (3827, 10165), (4085, 9523), (4601, 8455)]