28821470

素因数分解:

$2^1\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{2087}}^1$

素因数の和:3475

約数の個数: 16

約数和(自身を含む): 51941088

約数和(自身を除く): 23119618

約数列:

[1, 2, 5, 10, 1381, 2087, 2762, 4174, 6905, 10435, 13810, 20870, 2882147, 5764294, 14410735, 28821470]

約数ペア:

[(1, 28821470), (2, 14410735), (5, 5764294), (10, 2882147), (1381, 20870), (2087, 13810), (2762, 10435), (4174, 6905)]