218239255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{30803}}^1$

素因数の和:30930

約数の個数: 16

約数和(自身を含む): 284628960

約数和(自身を除く): 66389705

約数列:

[1, 5, 13, 65, 109, 545, 1417, 7085, 30803, 154015, 400439, 2002195, 3357527, 16787635, 43647851, 218239255]

約数ペア:

[(1, 218239255), (5, 43647851), (13, 16787635), (65, 3357527), (109, 2002195), (545, 400439), (1417, 154015), (7085, 30803)]