81238528

素因数分解:

$2^9\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1193}}^1$

素因数の和:1237

約数の個数: 80

約数和(自身を含む): 195433920

約数和(自身を除く): 114195392

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 512, 532, 608, 896, 1064, 1193, 1216, 1792, 2128, 2386, 2432, 3584, 4256, 4772, 4864, 8351, 8512, 9544, 9728, 16702, 17024, 19088, 22667, 33404, 34048, 38176, 45334, 66808, 68096, 76352, 90668, 133616, 152704, 158669, 181336, 267232, 305408, 317338, 362672, 534464, 610816, 634676, 725344, 1068928, 1269352, 1450688, 2137856, 2538704, 2901376, 4275712, 5077408, 5802752, 10154816, 11605504, 20309632, 40619264, 81238528]

約数ペア:

[(1, 81238528), (2, 40619264), (4, 20309632), (7, 11605504), (8, 10154816), (14, 5802752), (16, 5077408), (19, 4275712), (28, 2901376), (32, 2538704), (38, 2137856), (56, 1450688), (64, 1269352), (76, 1068928), (112, 725344), (128, 634676), (133, 610816), (152, 534464), (224, 362672), (256, 317338), (266, 305408), (304, 267232), (448, 181336), (512, 158669), (532, 152704), (608, 133616), (896, 90668), (1064, 76352), (1193, 68096), (1216, 66808), (1792, 45334), (2128, 38176), (2386, 34048), (2432, 33404), (3584, 22667), (4256, 19088), (4772, 17024), (4864, 16702), (8351, 9728), (8512, 9544)]