81286716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{967699}}^1$

素因数の和:967713

約数の個数: 24

約数和(自身を含む): 216764800

約数和(自身を除く): 135478084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 967699, 1935398, 2903097, 3870796, 5806194, 6773893, 11612388, 13547786, 20321679, 27095572, 40643358, 81286716]

約数ペア:

[(1, 81286716), (2, 40643358), (3, 27095572), (4, 20321679), (6, 13547786), (7, 11612388), (12, 6773893), (14, 5806194), (21, 3870796), (28, 2903097), (42, 1935398), (84, 967699)]