978889184

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{336157}}^1$

素因数の和:336187

約数の個数: 48

約数和(自身を含む): 2371930848

約数和(自身を除く): 1393041664

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 336157, 672314, 1344628, 2353099, 2689256, 4370041, 4706198, 5378512, 8740082, 9412396, 10757024, 17480164, 18824792, 30590287, 34960328, 37649584, 61180574, 69920656, 75299168, 122361148, 139841312, 244722296, 489444592, 978889184]

約数ペア:

[(1, 978889184), (2, 489444592), (4, 244722296), (7, 139841312), (8, 122361148), (13, 75299168), (14, 69920656), (16, 61180574), (26, 37649584), (28, 34960328), (32, 30590287), (52, 18824792), (56, 17480164), (91, 10757024), (104, 9412396), (112, 8740082), (182, 5378512), (208, 4706198), (224, 4370041), (364, 2689256), (416, 2353099), (728, 1344628), (1456, 672314), (2912, 336157)]