221093054

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 425779200

約数和(自身を除く): 204686146

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 149, 182, 217, 263, 298, 403, 434, 526, 806, 1043, 1841, 1937, 2086, 2821, 3419, 3682, 3874, 4619, 5642, 6838, 8153, 9238, 13559, 16306, 23933, 27118, 32333, 39187, 47866, 57071, 60047, 64666, 78374, 105989, 114142, 120094, 211978, 274309, 420329, 509431, 548618, 741923, 840658, 1018862, 1214797, 1483846, 2429594, 3566017, 7132034, 8503579, 15792361, 17007158, 31584722, 110546527, 221093054]

約数ペア:

[(1, 221093054), (2, 110546527), (7, 31584722), (13, 17007158), (14, 15792361), (26, 8503579), (31, 7132034), (62, 3566017), (91, 2429594), (149, 1483846), (182, 1214797), (217, 1018862), (263, 840658), (298, 741923), (403, 548618), (434, 509431), (526, 420329), (806, 274309), (1043, 211978), (1841, 120094), (1937, 114142), (2086, 105989), (2821, 78374), (3419, 64666), (3682, 60047), (3874, 57071), (4619, 47866), (5642, 39187), (6838, 32333), (8153, 27118), (9238, 23933), (13559, 16306)]