219323419

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{10007}}^1$

素因数の和:10146

約数の個数: 16

約数和(自身を含む): 261328896

約数和(自身を除く): 42005477

約数列:

[1, 7, 31, 101, 217, 707, 3131, 10007, 21917, 70049, 310217, 1010707, 2171519, 7074949, 31331917, 219323419]

約数ペア:

[(1, 219323419), (7, 31331917), (31, 7074949), (101, 2171519), (217, 1010707), (707, 310217), (3131, 70049), (10007, 21917)]