221284518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:378

約数の個数: 128

約数和(自身を含む): 579059712

約数和(自身を除く): 357775194

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 23, 26, 39, 42, 46, 67, 69, 78, 91, 134, 138, 161, 182, 201, 263, 273, 299, 322, 402, 469, 483, 526, 546, 598, 789, 871, 897, 938, 966, 1407, 1541, 1578, 1742, 1794, 1841, 2093, 2613, 2814, 3082, 3419, 3682, 4186, 4623, 5226, 5523, 6049, 6097, 6279, 6838, 9246, 10257, 10787, 11046, 12098, 12194, 12558, 17621, 18147, 18291, 20033, 20514, 21574, 23933, 32361, 35242, 36294, 36582, 40066, 42343, 47866, 52863, 60099, 64722, 71799, 78637, 84686, 105726, 120198, 123347, 127029, 140231, 143598, 157274, 229073, 235911, 246694, 254058, 280462, 370041, 405283, 420693, 458146, 471822, 550459, 687219, 740082, 810566, 841386, 1100918, 1215849, 1374438, 1603511, 1651377, 2431698, 2836981, 3207022, 3302754, 4810533, 5268679, 5673962, 8510943, 9621066, 10537358, 15806037, 17021886, 31612074, 36880753, 73761506, 110642259, 221284518]

約数ペア:

[(1, 221284518), (2, 110642259), (3, 73761506), (6, 36880753), (7, 31612074), (13, 17021886), (14, 15806037), (21, 10537358), (23, 9621066), (26, 8510943), (39, 5673962), (42, 5268679), (46, 4810533), (67, 3302754), (69, 3207022), (78, 2836981), (91, 2431698), (134, 1651377), (138, 1603511), (161, 1374438), (182, 1215849), (201, 1100918), (263, 841386), (273, 810566), (299, 740082), (322, 687219), (402, 550459), (469, 471822), (483, 458146), (526, 420693), (546, 405283), (598, 370041), (789, 280462), (871, 254058), (897, 246694), (938, 235911), (966, 229073), (1407, 157274), (1541, 143598), (1578, 140231), (1742, 127029), (1794, 123347), (1841, 120198), (2093, 105726), (2613, 84686), (2814, 78637), (3082, 71799), (3419, 64722), (3682, 60099), (4186, 52863), (4623, 47866), (5226, 42343), (5523, 40066), (6049, 36582), (6097, 36294), (6279, 35242), (6838, 32361), (9246, 23933), (10257, 21574), (10787, 20514), (11046, 20033), (12098, 18291), (12194, 18147), (12558, 17621)]