28398884

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{1381}}^1$

素因数の和:1535

約数の個数: 24

約数和(自身を含む): 51194808

約数和(自身を除く): 22795924

約数列:

[1, 2, 4, 53, 97, 106, 194, 212, 388, 1381, 2762, 5141, 5524, 10282, 20564, 73193, 133957, 146386, 267914, 292772, 535828, 7099721, 14199442, 28398884]

約数ペア:

[(1, 28398884), (2, 14199442), (4, 7099721), (53, 535828), (97, 292772), (106, 267914), (194, 146386), (212, 133957), (388, 73193), (1381, 20564), (2762, 10282), (5141, 5524)]