218471344

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{829}}^1$

素因数の和:1038

約数の個数: 80

約数和(自身を含む): 524480320

約数和(自身を除く): 306008976

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 181, 182, 208, 362, 364, 724, 728, 829, 1267, 1448, 1456, 1658, 2353, 2534, 2896, 3316, 4706, 5068, 5803, 6632, 9412, 10136, 10777, 11606, 13264, 16471, 18824, 20272, 21554, 23212, 32942, 37648, 43108, 46424, 65884, 75439, 86216, 92848, 131768, 150049, 150878, 172432, 263536, 300098, 301756, 600196, 603512, 1050343, 1200392, 1207024, 1950637, 2100686, 2400784, 3901274, 4201372, 7802548, 8402744, 13654459, 15605096, 16805488, 27308918, 31210192, 54617836, 109235672, 218471344]

約数ペア:

[(1, 218471344), (2, 109235672), (4, 54617836), (7, 31210192), (8, 27308918), (13, 16805488), (14, 15605096), (16, 13654459), (26, 8402744), (28, 7802548), (52, 4201372), (56, 3901274), (91, 2400784), (104, 2100686), (112, 1950637), (181, 1207024), (182, 1200392), (208, 1050343), (362, 603512), (364, 600196), (724, 301756), (728, 300098), (829, 263536), (1267, 172432), (1448, 150878), (1456, 150049), (1658, 131768), (2353, 92848), (2534, 86216), (2896, 75439), (3316, 65884), (4706, 46424), (5068, 43108), (5803, 37648), (6632, 32942), (9412, 23212), (10136, 21554), (10777, 20272), (11606, 18824), (13264, 16471)]