278891568

素因数分解:

$2^4\times 3^2\times {\mathrm{1936747}}^1$

素因数の和:1936761

約数の個数: 30

約数和(自身を含む): 780509444

約数和(自身を除く): 501617876

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1936747, 3873494, 5810241, 7746988, 11620482, 15493976, 17430723, 23240964, 30987952, 34861446, 46481928, 69722892, 92963856, 139445784, 278891568]

約数ペア:

[(1, 278891568), (2, 139445784), (3, 92963856), (4, 69722892), (6, 46481928), (8, 34861446), (9, 30987952), (12, 23240964), (16, 17430723), (18, 15493976), (24, 11620482), (36, 7746988), (48, 5810241), (72, 3873494), (144, 1936747)]