2091756688

素因数分解:

$2^4\times 7^3\times {\mathrm{563}}^1\times {\mathrm{677}}^1$

素因数の和:1269

約数の個数: 80

約数和(自身を含む): 4741660800

約数和(自身を除く): 2649904112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 563, 677, 686, 784, 1126, 1354, 1372, 2252, 2708, 2744, 3941, 4504, 4739, 5416, 5488, 7882, 9008, 9478, 10832, 15764, 18956, 27587, 31528, 33173, 37912, 55174, 63056, 66346, 75824, 110348, 132692, 193109, 220696, 232211, 265384, 381151, 386218, 441392, 464422, 530768, 762302, 772436, 928844, 1524604, 1544872, 1857688, 2668057, 3049208, 3089744, 3715376, 5336114, 6098416, 10672228, 18676399, 21344456, 37352798, 42688912, 74705596, 130734793, 149411192, 261469586, 298822384, 522939172, 1045878344, 2091756688]

約数ペア:

[(1, 2091756688), (2, 1045878344), (4, 522939172), (7, 298822384), (8, 261469586), (14, 149411192), (16, 130734793), (28, 74705596), (49, 42688912), (56, 37352798), (98, 21344456), (112, 18676399), (196, 10672228), (343, 6098416), (392, 5336114), (563, 3715376), (677, 3089744), (686, 3049208), (784, 2668057), (1126, 1857688), (1354, 1544872), (1372, 1524604), (2252, 928844), (2708, 772436), (2744, 762302), (3941, 530768), (4504, 464422), (4739, 441392), (5416, 386218), (5488, 381151), (7882, 265384), (9008, 232211), (9478, 220696), (10832, 193109), (15764, 132692), (18956, 110348), (27587, 75824), (31528, 66346), (33173, 63056), (37912, 55174)]