28133768

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{20809}}^1$

素因数の和:20841

約数の個数: 24

約数和(自身を含む): 57123450

約数和(自身を除く): 28989682

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 20809, 41618, 83236, 166472, 270517, 541034, 1082068, 2164136, 3516721, 7033442, 14066884, 28133768]

約数ペア:

[(1, 28133768), (2, 14066884), (4, 7033442), (8, 3516721), (13, 2164136), (26, 1082068), (52, 541034), (104, 270517), (169, 166472), (338, 83236), (676, 41618), (1352, 20809)]