217198982

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 128

約数和(自身を含む): 470292480

約数和(自身を除く): 253093498

約数列:

[1, 2, 7, 11, 13, 14, 22, 23, 26, 46, 53, 77, 89, 91, 106, 143, 154, 161, 178, 182, 253, 286, 299, 322, 371, 506, 583, 598, 623, 689, 742, 979, 1001, 1157, 1166, 1219, 1246, 1378, 1771, 1958, 2002, 2047, 2093, 2314, 2438, 3289, 3542, 4081, 4094, 4186, 4717, 4823, 6578, 6853, 7579, 8099, 8162, 8533, 9434, 9646, 12727, 13409, 13706, 14329, 15158, 15847, 16198, 17066, 22517, 23023, 25454, 26611, 26818, 28658, 31694, 33019, 45034, 46046, 51887, 53053, 53222, 61321, 66038, 89089, 93863, 103774, 106106, 108491, 110929, 122642, 157619, 174317, 178178, 186277, 187726, 216982, 221858, 292721, 315238, 348634, 363209, 372554, 429247, 585442, 674531, 726418, 759437, 858494, 1193401, 1220219, 1349062, 1410383, 1518874, 2049047, 2386802, 2440438, 2820766, 4098094, 4721717, 8353807, 9443434, 9872681, 15514213, 16707614, 19745362, 31028426, 108599491, 217198982]

約数ペア:

[(1, 217198982), (2, 108599491), (7, 31028426), (11, 19745362), (13, 16707614), (14, 15514213), (22, 9872681), (23, 9443434), (26, 8353807), (46, 4721717), (53, 4098094), (77, 2820766), (89, 2440438), (91, 2386802), (106, 2049047), (143, 1518874), (154, 1410383), (161, 1349062), (178, 1220219), (182, 1193401), (253, 858494), (286, 759437), (299, 726418), (322, 674531), (371, 585442), (506, 429247), (583, 372554), (598, 363209), (623, 348634), (689, 315238), (742, 292721), (979, 221858), (1001, 216982), (1157, 187726), (1166, 186277), (1219, 178178), (1246, 174317), (1378, 157619), (1771, 122642), (1958, 110929), (2002, 108491), (2047, 106106), (2093, 103774), (2314, 93863), (2438, 89089), (3289, 66038), (3542, 61321), (4081, 53222), (4094, 53053), (4186, 51887), (4717, 46046), (4823, 45034), (6578, 33019), (6853, 31694), (7579, 28658), (8099, 26818), (8162, 26611), (8533, 25454), (9434, 23023), (9646, 22517), (12727, 17066), (13409, 16198), (13706, 15847), (14329, 15158)]