81683868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{972427}}^1$

素因数の和:972441

約数の個数: 24

約数和(自身を含む): 217823872

約数和(自身を除く): 136140004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 972427, 1944854, 2917281, 3889708, 5834562, 6806989, 11669124, 13613978, 20420967, 27227956, 40841934, 81683868]

約数ペア:

[(1, 81683868), (2, 40841934), (3, 27227956), (4, 20420967), (6, 13613978), (7, 11669124), (12, 6806989), (14, 5834562), (21, 3889708), (28, 2917281), (42, 1944854), (84, 972427)]