28415270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218579}}^1$

素因数の和:218599

約数の個数: 16

約数和(自身を含む): 55082160

約数和(自身を除く): 26666890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 218579, 437158, 1092895, 2185790, 2841527, 5683054, 14207635, 28415270]

約数ペア:

[(1, 28415270), (2, 14207635), (5, 5683054), (10, 2841527), (13, 2185790), (26, 1092895), (65, 437158), (130, 218579)]