889459888

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{399937}}^1$

素因数の和:400084

約数の個数: 20

約数和(自身を含む): 1735730920

約数和(自身を除く): 846271032

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 399937, 799874, 1599748, 3199496, 6398992, 55591243, 111182486, 222364972, 444729944, 889459888]

約数ペア:

[(1, 889459888), (2, 444729944), (4, 222364972), (8, 111182486), (16, 55591243), (139, 6398992), (278, 3199496), (556, 1599748), (1112, 799874), (2224, 399937)]