406028896

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19919}}^1$

素因数の和:19956

約数の個数: 72

約数和(自身を含む): 1001458080

約数和(自身を除く): 595429184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1274, 1456, 1568, 2548, 2912, 5096, 10192, 19919, 20384, 39838, 79676, 139433, 159352, 258947, 278866, 318704, 517894, 557732, 637408, 976031, 1035788, 1115464, 1812629, 1952062, 2071576, 2230928, 3625258, 3904124, 4143152, 4461856, 7250516, 7808248, 8286304, 12688403, 14501032, 15616496, 25376806, 29002064, 31232992, 50753612, 58004128, 101507224, 203014448, 406028896]

約数ペア:

[(1, 406028896), (2, 203014448), (4, 101507224), (7, 58004128), (8, 50753612), (13, 31232992), (14, 29002064), (16, 25376806), (26, 15616496), (28, 14501032), (32, 12688403), (49, 8286304), (52, 7808248), (56, 7250516), (91, 4461856), (98, 4143152), (104, 3904124), (112, 3625258), (182, 2230928), (196, 2071576), (208, 1952062), (224, 1812629), (364, 1115464), (392, 1035788), (416, 976031), (637, 637408), (728, 557732), (784, 517894), (1274, 318704), (1456, 278866), (1568, 258947), (2548, 159352), (2912, 139433), (5096, 79676), (10192, 39838), (19919, 20384)]