28738610

素因数分解:

$2^1\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{2081}}^1$

素因数の和:3469

約数の個数: 16

約数和(自身を含む): 51791832

約数和(自身を除く): 23053222

約数列:

[1, 2, 5, 10, 1381, 2081, 2762, 4162, 6905, 10405, 13810, 20810, 2873861, 5747722, 14369305, 28738610]

約数ペア:

[(1, 28738610), (2, 14369305), (5, 5747722), (10, 2873861), (1381, 20810), (2081, 13810), (2762, 10405), (4162, 6905)]