87031175

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1559}}^1$

素因数の和:1616

約数の個数: 48

約数和(自身を含む): 139276800

約数和(自身を除く): 52245625

約数列:

[1, 5, 7, 11, 25, 29, 35, 55, 77, 145, 175, 203, 275, 319, 385, 725, 1015, 1559, 1595, 1925, 2233, 5075, 7795, 7975, 10913, 11165, 17149, 38975, 45211, 54565, 55825, 85745, 120043, 226055, 272825, 316477, 428725, 497321, 600215, 1130275, 1582385, 2486605, 3001075, 3481247, 7911925, 12433025, 17406235, 87031175]

約数ペア:

[(1, 87031175), (5, 17406235), (7, 12433025), (11, 7911925), (25, 3481247), (29, 3001075), (35, 2486605), (55, 1582385), (77, 1130275), (145, 600215), (175, 497321), (203, 428725), (275, 316477), (319, 272825), (385, 226055), (725, 120043), (1015, 85745), (1559, 55825), (1595, 54565), (1925, 45211), (2233, 38975), (5075, 17149), (7795, 11165), (7975, 10913)]