28590485

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 44381568

約数和(自身を除く): 15791083

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 121, 157, 215, 301, 385, 473, 605, 785, 847, 1099, 1505, 1727, 2365, 3311, 4235, 5203, 5495, 6751, 8635, 12089, 16555, 18997, 26015, 33755, 36421, 47257, 60445, 74261, 94985, 132979, 182105, 236285, 371305, 519827, 664895, 816871, 2599135, 4084355, 5718097, 28590485]

約数ペア:

[(1, 28590485), (5, 5718097), (7, 4084355), (11, 2599135), (35, 816871), (43, 664895), (55, 519827), (77, 371305), (121, 236285), (157, 182105), (215, 132979), (301, 94985), (385, 74261), (473, 60445), (605, 47257), (785, 36421), (847, 33755), (1099, 26015), (1505, 18997), (1727, 16555), (2365, 12089), (3311, 8635), (4235, 6751), (5203, 5495)]