55790021

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 64810368

約数和(自身を除く): 9020347

約数列:

[1, 7, 113, 251, 281, 791, 1757, 1967, 28363, 31753, 70531, 198541, 222271, 493717, 7970003, 55790021]

約数ペア:

[(1, 55790021), (7, 7970003), (113, 493717), (251, 222271), (281, 198541), (791, 70531), (1757, 31753), (1967, 28363)]