278887168

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8191}}^1$

素因数の和:8233

約数の個数: 72

約数和(自身を含む): 669777920

約数和(自身を除く): 390890752

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, 532, 608, 896, 1064, 1216, 1792, 2128, 2432, 4256, 4864, 8191, 8512, 16382, 17024, 32764, 34048, 57337, 65528, 114674, 131056, 155629, 229348, 262112, 311258, 458696, 524224, 622516, 917392, 1048448, 1089403, 1245032, 1834784, 2096896, 2178806, 2490064, 3669568, 4357612, 4980128, 7339136, 8715224, 9960256, 14678272, 17430448, 19920512, 34860896, 39841024, 69721792, 139443584, 278887168]

約数ペア:

[(1, 278887168), (2, 139443584), (4, 69721792), (7, 39841024), (8, 34860896), (14, 19920512), (16, 17430448), (19, 14678272), (28, 9960256), (32, 8715224), (38, 7339136), (56, 4980128), (64, 4357612), (76, 3669568), (112, 2490064), (128, 2178806), (133, 2096896), (152, 1834784), (224, 1245032), (256, 1089403), (266, 1048448), (304, 917392), (448, 622516), (532, 524224), (608, 458696), (896, 311258), (1064, 262112), (1216, 229348), (1792, 155629), (2128, 131056), (2432, 114674), (4256, 65528), (4864, 57337), (8191, 34048), (8512, 32764), (16382, 17024)]