678283984

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{1471}}^1$

素因数の和:1688

約数の個数: 80

約数和(自身を含む): 1577041920

約数和(自身を除く): 898757936

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 179, 184, 322, 358, 368, 644, 716, 1253, 1288, 1432, 1471, 2506, 2576, 2864, 2942, 4117, 5012, 5884, 8234, 10024, 10297, 11768, 16468, 20048, 20594, 23536, 28819, 32936, 33833, 41188, 57638, 65872, 67666, 82376, 115276, 135332, 164752, 230552, 236831, 263309, 270664, 461104, 473662, 526618, 541328, 947324, 1053236, 1843163, 1894648, 2106472, 3686326, 3789296, 4212944, 6056107, 7372652, 12112214, 14745304, 24224428, 29490608, 42392749, 48448856, 84785498, 96897712, 169570996, 339141992, 678283984]

約数ペア:

[(1, 678283984), (2, 339141992), (4, 169570996), (7, 96897712), (8, 84785498), (14, 48448856), (16, 42392749), (23, 29490608), (28, 24224428), (46, 14745304), (56, 12112214), (92, 7372652), (112, 6056107), (161, 4212944), (179, 3789296), (184, 3686326), (322, 2106472), (358, 1894648), (368, 1843163), (644, 1053236), (716, 947324), (1253, 541328), (1288, 526618), (1432, 473662), (1471, 461104), (2506, 270664), (2576, 263309), (2864, 236831), (2942, 230552), (4117, 164752), (5012, 135332), (5884, 115276), (8234, 82376), (10024, 67666), (10297, 65872), (11768, 57638), (16468, 41188), (20048, 33833), (20594, 32936), (23536, 28819)]