2013142705

素因数分解:

$5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 2853100800

約数和(自身を除く): 839958095

約数列:

[1, 5, 7, 35, 49, 157, 199, 245, 263, 785, 995, 1099, 1315, 1393, 1841, 5495, 6965, 7693, 9205, 9751, 12887, 31243, 38465, 41291, 48755, 52337, 64435, 156215, 206455, 218701, 261685, 289037, 366359, 1093505, 1445185, 1530907, 1831795, 2023259, 2564513, 7654535, 8216909, 10116295, 12822565, 41084545, 57518363, 287591815, 402628541, 2013142705]

約数ペア:

[(1, 2013142705), (5, 402628541), (7, 287591815), (35, 57518363), (49, 41084545), (157, 12822565), (199, 10116295), (245, 8216909), (263, 7654535), (785, 2564513), (995, 2023259), (1099, 1831795), (1315, 1530907), (1393, 1445185), (1841, 1093505), (5495, 366359), (6965, 289037), (7693, 261685), (9205, 218701), (9751, 206455), (12887, 156215), (31243, 64435), (38465, 52337), (41291, 48755)]