28751128

素因数分解:

$2^3\times 7^1\times {\mathrm{691}}^1\times {\mathrm{743}}^1$

素因数の和:1447

約数の個数: 32

約数和(自身を含む): 61781760

約数和(自身を除く): 33030632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 691, 743, 1382, 1486, 2764, 2972, 4837, 5201, 5528, 5944, 9674, 10402, 19348, 20804, 38696, 41608, 513413, 1026826, 2053652, 3593891, 4107304, 7187782, 14375564, 28751128]

約数ペア:

[(1, 28751128), (2, 14375564), (4, 7187782), (7, 4107304), (8, 3593891), (14, 2053652), (28, 1026826), (56, 513413), (691, 41608), (743, 38696), (1382, 20804), (1486, 19348), (2764, 10402), (2972, 9674), (4837, 5944), (5201, 5528)]