51317735

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 72410112

約数和(自身を除く): 21092377

約数列:

[1, 5, 7, 35, 71, 107, 193, 355, 497, 535, 749, 965, 1351, 2485, 3745, 6755, 7597, 13703, 20651, 37985, 53179, 68515, 95921, 103255, 144557, 265895, 479605, 722785, 1466221, 7331105, 10263547, 51317735]

約数ペア:

[(1, 51317735), (5, 10263547), (7, 7331105), (35, 1466221), (71, 722785), (107, 479605), (193, 265895), (355, 144557), (497, 103255), (535, 95921), (749, 68515), (965, 53179), (1351, 37985), (2485, 20651), (3745, 13703), (6755, 7597)]