81399715

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1\times {\mathrm{653}}^1$

素因数の和:998

約数の個数: 16

約数和(自身を含む): 99167328

約数和(自身を除く): 17767613

約数列:

[1, 5, 107, 233, 535, 653, 1165, 3265, 24931, 69871, 124655, 152149, 349355, 760745, 16279943, 81399715]

約数ペア:

[(1, 81399715), (5, 16279943), (107, 760745), (233, 349355), (535, 152149), (653, 124655), (1165, 69871), (3265, 24931)]