81202688

素因数分解:

$2^9\times 7^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:327

約数の個数: 80

約数和(自身を含む): 187904640

約数和(自身を除く): 106701952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 163, 224, 256, 278, 326, 448, 512, 556, 652, 896, 973, 1112, 1141, 1304, 1792, 1946, 2224, 2282, 2608, 3584, 3892, 4448, 4564, 5216, 7784, 8896, 9128, 10432, 15568, 17792, 18256, 20864, 22657, 31136, 35584, 36512, 41728, 45314, 62272, 71168, 73024, 83456, 90628, 124544, 146048, 158599, 181256, 249088, 292096, 317198, 362512, 498176, 584192, 634396, 725024, 1268792, 1450048, 2537584, 2900096, 5075168, 5800192, 10150336, 11600384, 20300672, 40601344, 81202688]

約数ペア:

[(1, 81202688), (2, 40601344), (4, 20300672), (7, 11600384), (8, 10150336), (14, 5800192), (16, 5075168), (28, 2900096), (32, 2537584), (56, 1450048), (64, 1268792), (112, 725024), (128, 634396), (139, 584192), (163, 498176), (224, 362512), (256, 317198), (278, 292096), (326, 249088), (448, 181256), (512, 158599), (556, 146048), (652, 124544), (896, 90628), (973, 83456), (1112, 73024), (1141, 71168), (1304, 62272), (1792, 45314), (1946, 41728), (2224, 36512), (2282, 35584), (2608, 31136), (3584, 22657), (3892, 20864), (4448, 18256), (4564, 17792), (5216, 15568), (7784, 10432), (8896, 9128)]