388444889

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{9007}}^1$

素因数の和:9176

約数の個数: 16

約数和(自身を含む): 455732736

約数和(自身を除く): 67287847

約数列:

[1, 7, 61, 101, 427, 707, 6161, 9007, 43127, 63049, 549427, 909707, 3845989, 6367949, 55492127, 388444889]

約数ペア:

[(1, 388444889), (7, 55492127), (61, 6367949), (101, 3845989), (427, 909707), (707, 549427), (6161, 63049), (9007, 43127)]