81355344

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{242129}}^1$

素因数の和:242147

約数の個数: 40

約数和(自身を含む): 240192960

約数和(自身を除く): 158837616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 242129, 484258, 726387, 968516, 1452774, 1694903, 1937032, 2905548, 3389806, 3874064, 5084709, 5811096, 6779612, 10169418, 11622192, 13559224, 20338836, 27118448, 40677672, 81355344]

約数ペア:

[(1, 81355344), (2, 40677672), (3, 27118448), (4, 20338836), (6, 13559224), (7, 11622192), (8, 10169418), (12, 6779612), (14, 5811096), (16, 5084709), (21, 3874064), (24, 3389806), (28, 2905548), (42, 1937032), (48, 1694903), (56, 1452774), (84, 968516), (112, 726387), (168, 484258), (336, 242129)]