28428764

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78101}}^1$

素因数の和:78125

約数の個数: 24

約数和(自身を含む): 61231968

約数和(自身を除く): 32803204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 78101, 156202, 312404, 546707, 1015313, 1093414, 2030626, 2186828, 4061252, 7107191, 14214382, 28428764]

約数ペア:

[(1, 28428764), (2, 14214382), (4, 7107191), (7, 4061252), (13, 2186828), (14, 2030626), (26, 1093414), (28, 1015313), (52, 546707), (91, 312404), (182, 156202), (364, 78101)]