81123198

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 191511936

約数和(自身を除く): 110388738

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 43, 57, 67, 78, 86, 114, 129, 134, 201, 247, 258, 361, 402, 494, 559, 722, 741, 817, 871, 1083, 1118, 1273, 1482, 1634, 1677, 1742, 2166, 2451, 2546, 2613, 2881, 3354, 3819, 4693, 4902, 5226, 5762, 7638, 8643, 9386, 10621, 14079, 15523, 16549, 17286, 21242, 24187, 28158, 31046, 31863, 33098, 37453, 46569, 48374, 49647, 54739, 63726, 72561, 74906, 93138, 99294, 109478, 112359, 145122, 164217, 201799, 224718, 314431, 328434, 403598, 605397, 628862, 711607, 943293, 1040041, 1210794, 1423214, 1886586, 2080082, 2134821, 3120123, 4269642, 6240246, 13520533, 27041066, 40561599, 81123198]

約数ペア:

[(1, 81123198), (2, 40561599), (3, 27041066), (6, 13520533), (13, 6240246), (19, 4269642), (26, 3120123), (38, 2134821), (39, 2080082), (43, 1886586), (57, 1423214), (67, 1210794), (78, 1040041), (86, 943293), (114, 711607), (129, 628862), (134, 605397), (201, 403598), (247, 328434), (258, 314431), (361, 224718), (402, 201799), (494, 164217), (559, 145122), (722, 112359), (741, 109478), (817, 99294), (871, 93138), (1083, 74906), (1118, 72561), (1273, 63726), (1482, 54739), (1634, 49647), (1677, 48374), (1742, 46569), (2166, 37453), (2451, 33098), (2546, 31863), (2613, 31046), (2881, 28158), (3354, 24187), (3819, 21242), (4693, 17286), (4902, 16549), (5226, 15523), (5762, 14079), (7638, 10621), (8643, 9386)]