215527910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{6451}}^1$

素因数の和:6728

約数の個数: 32

約数和(自身を含む): 419483232

約数和(自身を除く): 203955322

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 257, 514, 1285, 2570, 3341, 6451, 6682, 12902, 16705, 32255, 33410, 64510, 83863, 167726, 419315, 838630, 1657907, 3315814, 8289535, 16579070, 21552791, 43105582, 107763955, 215527910]

約数ペア:

[(1, 215527910), (2, 107763955), (5, 43105582), (10, 21552791), (13, 16579070), (26, 8289535), (65, 3315814), (130, 1657907), (257, 838630), (514, 419315), (1285, 167726), (2570, 83863), (3341, 64510), (6451, 33410), (6682, 32255), (12902, 16705)]