28087278

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{203531}}^1$

素因数の和:203559

約数の個数: 16

約数和(自身を含む): 58617216

約数和(自身を除く): 30529938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 203531, 407062, 610593, 1221186, 4681213, 9362426, 14043639, 28087278]

約数ペア:

[(1, 28087278), (2, 14043639), (3, 9362426), (6, 4681213), (23, 1221186), (46, 610593), (69, 407062), (138, 203531)]