7819938

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1171}}^1$

素因数の和:1239

約数の個数: 48

約数和(自身を含む): 19745856

約数和(自身を除く): 11925918

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 159, 318, 371, 477, 742, 954, 1113, 1171, 2226, 2342, 3339, 3513, 6678, 7026, 8197, 10539, 16394, 21078, 24591, 49182, 62063, 73773, 124126, 147546, 186189, 372378, 434441, 558567, 868882, 1117134, 1303323, 2606646, 3909969, 7819938]

約数ペア:

[(1, 7819938), (2, 3909969), (3, 2606646), (6, 1303323), (7, 1117134), (9, 868882), (14, 558567), (18, 434441), (21, 372378), (42, 186189), (53, 147546), (63, 124126), (106, 73773), (126, 62063), (159, 49182), (318, 24591), (371, 21078), (477, 16394), (742, 10539), (954, 8197), (1113, 7026), (1171, 6678), (2226, 3513), (2342, 3339)]