28381236

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181931}}^1$

素因数の和:181951

約数の個数: 24

約数和(自身を含む): 71317344

約数和(自身を除く): 42936108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 181931, 363862, 545793, 727724, 1091586, 2183172, 2365103, 4730206, 7095309, 9460412, 14190618, 28381236]

約数ペア:

[(1, 28381236), (2, 14190618), (3, 9460412), (4, 7095309), (6, 4730206), (12, 2365103), (13, 2183172), (26, 1091586), (39, 727724), (52, 545793), (78, 363862), (156, 181931)]