85321145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 136249344

約数和(自身を除く): 50928199

約数列:

[1, 5, 7, 13, 23, 31, 35, 65, 91, 115, 155, 161, 217, 263, 299, 403, 455, 713, 805, 1085, 1315, 1495, 1841, 2015, 2093, 2821, 3419, 3565, 4991, 6049, 8153, 9205, 9269, 10465, 14105, 17095, 23933, 24955, 30245, 40765, 42343, 46345, 57071, 64883, 78637, 105989, 119665, 187519, 211715, 285355, 324415, 393185, 529945, 550459, 741923, 937595, 1312633, 2437747, 2752295, 3709615, 6563165, 12188735, 17064229, 85321145]

約数ペア:

[(1, 85321145), (5, 17064229), (7, 12188735), (13, 6563165), (23, 3709615), (31, 2752295), (35, 2437747), (65, 1312633), (91, 937595), (115, 741923), (155, 550459), (161, 529945), (217, 393185), (263, 324415), (299, 285355), (403, 211715), (455, 187519), (713, 119665), (805, 105989), (1085, 78637), (1315, 64883), (1495, 57071), (1841, 46345), (2015, 42343), (2093, 40765), (2821, 30245), (3419, 24955), (3565, 23933), (4991, 17095), (6049, 14105), (8153, 10465), (9205, 9269)]