1273207985

素因数分解:

$5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1\times {\mathrm{881}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 1765919232

約数和(自身を除く): 492711247

約数列:

[1, 5, 7, 35, 157, 263, 785, 881, 1099, 1315, 1841, 4405, 5495, 6167, 9205, 30835, 41291, 138317, 206455, 231703, 289037, 691585, 968219, 1158515, 1445185, 1621921, 4841095, 8109605, 36377371, 181886855, 254641597, 1273207985]

約数ペア:

[(1, 1273207985), (5, 254641597), (7, 181886855), (35, 36377371), (157, 8109605), (263, 4841095), (785, 1621921), (881, 1445185), (1099, 1158515), (1315, 968219), (1841, 691585), (4405, 289037), (5495, 231703), (6167, 206455), (9205, 138317), (30835, 41291)]