81380838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 218234880

約数和(自身を除く): 136854042

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 57, 66, 73, 77, 114, 127, 133, 146, 154, 209, 219, 231, 254, 266, 381, 399, 418, 438, 462, 511, 627, 762, 798, 803, 889, 1022, 1254, 1387, 1397, 1463, 1533, 1606, 1778, 2409, 2413, 2667, 2774, 2794, 2926, 3066, 4161, 4191, 4389, 4818, 4826, 5334, 5621, 7239, 8322, 8382, 8778, 9271, 9709, 9779, 11242, 14478, 15257, 16863, 16891, 18542, 19418, 19558, 26543, 27813, 29127, 29337, 30514, 33726, 33782, 45771, 50673, 53086, 55626, 58254, 58674, 64897, 79629, 91542, 101346, 101981, 106799, 129794, 159258, 176149, 185801, 194691, 203962, 213598, 305943, 320397, 352298, 371602, 389382, 528447, 557403, 611886, 640794, 713867, 1056894, 1114806, 1233043, 1427734, 1937639, 2141601, 2466086, 3699129, 3875278, 4283202, 5812917, 7398258, 11625834, 13563473, 27126946, 40690419, 81380838]

約数ペア:

[(1, 81380838), (2, 40690419), (3, 27126946), (6, 13563473), (7, 11625834), (11, 7398258), (14, 5812917), (19, 4283202), (21, 3875278), (22, 3699129), (33, 2466086), (38, 2141601), (42, 1937639), (57, 1427734), (66, 1233043), (73, 1114806), (77, 1056894), (114, 713867), (127, 640794), (133, 611886), (146, 557403), (154, 528447), (209, 389382), (219, 371602), (231, 352298), (254, 320397), (266, 305943), (381, 213598), (399, 203962), (418, 194691), (438, 185801), (462, 176149), (511, 159258), (627, 129794), (762, 106799), (798, 101981), (803, 101346), (889, 91542), (1022, 79629), (1254, 64897), (1387, 58674), (1397, 58254), (1463, 55626), (1533, 53086), (1606, 50673), (1778, 45771), (2409, 33782), (2413, 33726), (2667, 30514), (2774, 29337), (2794, 29127), (2926, 27813), (3066, 26543), (4161, 19558), (4191, 19418), (4389, 18542), (4818, 16891), (4826, 16863), (5334, 15257), (5621, 14478), (7239, 11242), (8322, 9779), (8382, 9709), (8778, 9271)]