28919306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{25867}}^1$

素因数の和:25925

約数の個数: 16

約数和(自身を含む): 47804064

約数和(自身を除く): 18884758

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 25867, 51734, 336271, 672542, 1112281, 2224562, 14459653, 28919306]

約数ペア:

[(1, 28919306), (2, 14459653), (13, 2224562), (26, 1112281), (43, 672542), (86, 336271), (559, 51734), (1118, 25867)]