2157788143

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{28817}}^1$

素因数の和:29406

約数の個数: 16

約数和(自身を含む): 2600536320

約数和(自身を除く): 442748177

約数列:

[1, 7, 19, 133, 563, 3941, 10697, 28817, 74879, 201719, 547523, 3832661, 16223971, 113567797, 308255449, 2157788143]

約数ペア:

[(1, 2157788143), (7, 308255449), (19, 113567797), (133, 16223971), (563, 3832661), (3941, 547523), (10697, 201719), (28817, 74879)]