81999936

素因数分解:

$2^6\times 3^2\times {\mathrm{29}}^1\times {\mathrm{4909}}^1$

素因数の和:4956

約数の個数: 84

約数和(自身を含む): 243192300

約数和(自身を除く): 161192364

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 64, 72, 87, 96, 116, 144, 174, 192, 232, 261, 288, 348, 464, 522, 576, 696, 928, 1044, 1392, 1856, 2088, 2784, 4176, 4909, 5568, 8352, 9818, 14727, 16704, 19636, 29454, 39272, 44181, 58908, 78544, 88362, 117816, 142361, 157088, 176724, 235632, 284722, 314176, 353448, 427083, 471264, 569444, 706896, 854166, 942528, 1138888, 1281249, 1413792, 1708332, 2277776, 2562498, 2827584, 3416664, 4555552, 5124996, 6833328, 9111104, 10249992, 13666656, 20499984, 27333312, 40999968, 81999936]

約数ペア:

[(1, 81999936), (2, 40999968), (3, 27333312), (4, 20499984), (6, 13666656), (8, 10249992), (9, 9111104), (12, 6833328), (16, 5124996), (18, 4555552), (24, 3416664), (29, 2827584), (32, 2562498), (36, 2277776), (48, 1708332), (58, 1413792), (64, 1281249), (72, 1138888), (87, 942528), (96, 854166), (116, 706896), (144, 569444), (174, 471264), (192, 427083), (232, 353448), (261, 314176), (288, 284722), (348, 235632), (464, 176724), (522, 157088), (576, 142361), (696, 117816), (928, 88362), (1044, 78544), (1392, 58908), (1856, 44181), (2088, 39272), (2784, 29454), (4176, 19636), (4909, 16704), (5568, 14727), (8352, 9818)]