2016

素因数分解:

$2^5\times 3^2\times 7^1$

素因数の和:23

約数の個数: 36

約数和(自身を含む): 6552

約数和(自身を除く): 4536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016]

約数ペア:

[(1, 2016), (2, 1008), (3, 672), (4, 504), (6, 336), (7, 288), (8, 252), (9, 224), (12, 168), (14, 144), (16, 126), (18, 112), (21, 96), (24, 84), (28, 72), (32, 63), (36, 56), (42, 48)]