89075987

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 128894976

約数和(自身を除く): 39818989

約数列:

[1, 7, 11, 13, 23, 53, 73, 77, 91, 143, 161, 253, 299, 371, 511, 583, 689, 803, 949, 1001, 1219, 1679, 1771, 2093, 3289, 3869, 4081, 4823, 5621, 6643, 7579, 8533, 10439, 11753, 13409, 15847, 18469, 21827, 23023, 27083, 42559, 50297, 53053, 73073, 88987, 93863, 110929, 129283, 152789, 174317, 240097, 297913, 352079, 553267, 622909, 978857, 1156831, 1220219, 1680679, 3872869, 6851999, 8097817, 12725141, 89075987]

約数ペア:

[(1, 89075987), (7, 12725141), (11, 8097817), (13, 6851999), (23, 3872869), (53, 1680679), (73, 1220219), (77, 1156831), (91, 978857), (143, 622909), (161, 553267), (253, 352079), (299, 297913), (371, 240097), (511, 174317), (583, 152789), (689, 129283), (803, 110929), (949, 93863), (1001, 88987), (1219, 73073), (1679, 53053), (1771, 50297), (2093, 42559), (3289, 27083), (3869, 23023), (4081, 21827), (4823, 18469), (5621, 15847), (6643, 13409), (7579, 11753), (8533, 10439)]