81499404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{970231}}^1$

素因数の和:970245

約数の個数: 24

約数和(自身を含む): 217331968

約数和(自身を除く): 135832564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 970231, 1940462, 2910693, 3880924, 5821386, 6791617, 11642772, 13583234, 20374851, 27166468, 40749702, 81499404]

約数ペア:

[(1, 81499404), (2, 40749702), (3, 27166468), (4, 20374851), (6, 13583234), (7, 11642772), (12, 6791617), (14, 5821386), (21, 3880924), (28, 2910693), (42, 1940462), (84, 970231)]