2780917205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{10151}}^1$

素因数の和:10477

約数の個数: 32

約数和(自身を含む): 3868155648

約数和(自身を除く): 1087238443

約数列:

[1, 5, 11, 17, 55, 85, 187, 293, 935, 1465, 3223, 4981, 10151, 16115, 24905, 50755, 54791, 111661, 172567, 273955, 558305, 862835, 1898237, 2974243, 9491185, 14871215, 32716673, 50562131, 163583365, 252810655, 556183441, 2780917205]

約数ペア:

[(1, 2780917205), (5, 556183441), (11, 252810655), (17, 163583365), (55, 50562131), (85, 32716673), (187, 14871215), (293, 9491185), (935, 2974243), (1465, 1898237), (3223, 862835), (4981, 558305), (10151, 273955), (16115, 172567), (24905, 111661), (50755, 54791)]