85877285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 127733760

約数和(自身を除く): 41856475

約数列:

[1, 5, 13, 17, 23, 31, 65, 85, 109, 115, 155, 221, 299, 391, 403, 527, 545, 713, 1105, 1417, 1495, 1853, 1955, 2015, 2507, 2635, 3379, 3565, 5083, 6851, 7085, 9265, 9269, 12121, 12535, 16895, 24089, 25415, 32591, 34255, 42619, 43927, 46345, 57443, 60605, 77717, 120445, 157573, 162955, 213095, 219635, 287215, 388585, 554047, 746759, 787865, 1010321, 1321189, 2770235, 3733795, 5051605, 6605945, 17175457, 85877285]

約数ペア:

[(1, 85877285), (5, 17175457), (13, 6605945), (17, 5051605), (23, 3733795), (31, 2770235), (65, 1321189), (85, 1010321), (109, 787865), (115, 746759), (155, 554047), (221, 388585), (299, 287215), (391, 219635), (403, 213095), (527, 162955), (545, 157573), (713, 120445), (1105, 77717), (1417, 60605), (1495, 57443), (1853, 46345), (1955, 43927), (2015, 42619), (2507, 34255), (2635, 32591), (3379, 25415), (3565, 24089), (5083, 16895), (6851, 12535), (7085, 12121), (9265, 9269)]