81893021

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{5449}}^1$

素因数の和:5588

約数の個数: 16

約数和(自身を含む): 99408000

約数和(自身を除く): 17514979

約数列:

[1, 7, 19, 113, 133, 791, 2147, 5449, 15029, 38143, 103531, 615737, 724717, 4310159, 11699003, 81893021]

約数ペア:

[(1, 81893021), (7, 11699003), (19, 4310159), (113, 724717), (133, 615737), (791, 103531), (2147, 38143), (5449, 15029)]