28106305

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4217}}^1$

素因数の和:4296

約数の個数: 16

約数和(自身を含む): 35633664

約数和(自身を除く): 7527359

約数列:

[1, 5, 31, 43, 155, 215, 1333, 4217, 6665, 21085, 130727, 181331, 653635, 906655, 5621261, 28106305]

約数ペア:

[(1, 28106305), (5, 5621261), (31, 906655), (43, 653635), (155, 181331), (215, 130727), (1333, 21085), (4217, 6665)]