28119635

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4219}}^1$

素因数の和:4298

約数の個数: 16

約数和(自身を含む): 35650560

約数和(自身を除く): 7530925

約数列:

[1, 5, 31, 43, 155, 215, 1333, 4219, 6665, 21095, 130789, 181417, 653945, 907085, 5623927, 28119635]

約数ペア:

[(1, 28119635), (5, 5623927), (31, 907085), (43, 653945), (155, 181417), (215, 130789), (1333, 21095), (4219, 6665)]