25290349

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 6965651

約数列:

[1, 7, 19, 29, 79, 83, 133, 203, 551, 553, 581, 1501, 1577, 2291, 2407, 3857, 6557, 10507, 11039, 16037, 16849, 43529, 45733, 45899, 124583, 190153, 304703, 320131, 872081, 1331071, 3612907, 25290349]

約数ペア:

[(1, 25290349), (7, 3612907), (19, 1331071), (29, 872081), (79, 320131), (83, 304703), (133, 190153), (203, 124583), (551, 45899), (553, 45733), (581, 43529), (1501, 16849), (1577, 16037), (2291, 11039), (2407, 10507), (3857, 6557)]