28510690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219313}}^1$

素因数の和:219333

約数の個数: 16

約数和(自身を含む): 55267128

約数和(自身を除く): 26756438

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 219313, 438626, 1096565, 2193130, 2851069, 5702138, 14255345, 28510690]

約数ペア:

[(1, 28510690), (2, 14255345), (5, 5702138), (10, 2851069), (13, 2193130), (26, 1096565), (65, 438626), (130, 219313)]