81619848

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 232071840

約数和(自身を除く): 150451992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 43, 72, 82, 86, 123, 129, 164, 172, 246, 258, 328, 344, 369, 387, 492, 516, 643, 738, 774, 984, 1032, 1286, 1476, 1548, 1763, 1929, 2572, 2952, 3096, 3526, 3858, 5144, 5289, 5787, 7052, 7716, 10578, 11574, 14104, 15432, 15867, 21156, 23148, 26363, 27649, 31734, 42312, 46296, 52726, 55298, 63468, 79089, 82947, 105452, 110596, 126936, 158178, 165894, 210904, 221192, 237267, 248841, 316356, 331788, 474534, 497682, 632712, 663576, 949068, 995364, 1133609, 1898136, 1990728, 2267218, 3400827, 4534436, 6801654, 9068872, 10202481, 13603308, 20404962, 27206616, 40809924, 81619848]

約数ペア:

[(1, 81619848), (2, 40809924), (3, 27206616), (4, 20404962), (6, 13603308), (8, 10202481), (9, 9068872), (12, 6801654), (18, 4534436), (24, 3400827), (36, 2267218), (41, 1990728), (43, 1898136), (72, 1133609), (82, 995364), (86, 949068), (123, 663576), (129, 632712), (164, 497682), (172, 474534), (246, 331788), (258, 316356), (328, 248841), (344, 237267), (369, 221192), (387, 210904), (492, 165894), (516, 158178), (643, 126936), (738, 110596), (774, 105452), (984, 82947), (1032, 79089), (1286, 63468), (1476, 55298), (1548, 52726), (1763, 46296), (1929, 42312), (2572, 31734), (2952, 27649), (3096, 26363), (3526, 23148), (3858, 21156), (5144, 15867), (5289, 15432), (5787, 14104), (7052, 11574), (7716, 10578)]