215539675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{4451}}^1$

素因数の和:4623

約数の個数: 24

約数和(自身を含む): 289825200

約数和(自身を除く): 74285525

約数列:

[1, 5, 13, 25, 65, 149, 325, 745, 1937, 3725, 4451, 9685, 22255, 48425, 57863, 111275, 289315, 663199, 1446575, 3315995, 8621587, 16579975, 43107935, 215539675]

約数ペア:

[(1, 215539675), (5, 43107935), (13, 16579975), (25, 8621587), (65, 3315995), (149, 1446575), (325, 663199), (745, 289315), (1937, 111275), (3725, 57863), (4451, 48425), (9685, 22255)]