28186285

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4229}}^1$

素因数の和:4308

約数の個数: 16

約数和(自身を含む): 35735040

約数和(自身を除く): 7548755

約数列:

[1, 5, 31, 43, 155, 215, 1333, 4229, 6665, 21145, 131099, 181847, 655495, 909235, 5637257, 28186285]

約数ペア:

[(1, 28186285), (5, 5637257), (31, 909235), (43, 655495), (155, 181847), (215, 131099), (1333, 21145), (4229, 6665)]