198705474

素因数分解:

$2^1\times 3^5\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 511230720

約数和(自身を除く): 312525246

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 31, 33, 54, 62, 66, 81, 93, 99, 109, 121, 162, 186, 198, 218, 242, 243, 279, 297, 327, 341, 363, 486, 558, 594, 654, 682, 726, 837, 891, 981, 1023, 1089, 1199, 1674, 1782, 1962, 2046, 2178, 2398, 2511, 2673, 2943, 3069, 3267, 3379, 3597, 3751, 5022, 5346, 5886, 6138, 6534, 6758, 7194, 7502, 7533, 8829, 9207, 9801, 10137, 10791, 11253, 13189, 15066, 17658, 18414, 19602, 20274, 21582, 22506, 26378, 26487, 27621, 29403, 30411, 32373, 33759, 37169, 39567, 52974, 55242, 58806, 60822, 64746, 67518, 74338, 79134, 82863, 91233, 97119, 101277, 111507, 118701, 165726, 182466, 194238, 202554, 223014, 237402, 273699, 291357, 303831, 334521, 356103, 408859, 547398, 582714, 607662, 669042, 712206, 817718, 821097, 911493, 1003563, 1068309, 1226577, 1642194, 1822986, 2007126, 2136618, 2453154, 3010689, 3204927, 3679731, 6021378, 6409854, 7359462, 9032067, 11039193, 18064134, 22078386, 33117579, 66235158, 99352737, 198705474]

約数ペア:

[(1, 198705474), (2, 99352737), (3, 66235158), (6, 33117579), (9, 22078386), (11, 18064134), (18, 11039193), (22, 9032067), (27, 7359462), (31, 6409854), (33, 6021378), (54, 3679731), (62, 3204927), (66, 3010689), (81, 2453154), (93, 2136618), (99, 2007126), (109, 1822986), (121, 1642194), (162, 1226577), (186, 1068309), (198, 1003563), (218, 911493), (242, 821097), (243, 817718), (279, 712206), (297, 669042), (327, 607662), (341, 582714), (363, 547398), (486, 408859), (558, 356103), (594, 334521), (654, 303831), (682, 291357), (726, 273699), (837, 237402), (891, 223014), (981, 202554), (1023, 194238), (1089, 182466), (1199, 165726), (1674, 118701), (1782, 111507), (1962, 101277), (2046, 97119), (2178, 91233), (2398, 82863), (2511, 79134), (2673, 74338), (2943, 67518), (3069, 64746), (3267, 60822), (3379, 58806), (3597, 55242), (3751, 52974), (5022, 39567), (5346, 37169), (5886, 33759), (6138, 32373), (6534, 30411), (6758, 29403), (7194, 27621), (7502, 26487), (7533, 26378), (8829, 22506), (9207, 21582), (9801, 20274), (10137, 19602), (10791, 18414), (11253, 17658), (13189, 15066)]