16561664

素因数分解:

$2^9\times 7^1\times {\mathrm{4621}}^1$

素因数の和:4646

約数の個数: 40

約数和(自身を含む): 37826448

約数和(自身を除く): 21264784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 4621, 9242, 18484, 32347, 36968, 64694, 73936, 129388, 147872, 258776, 295744, 517552, 591488, 1035104, 1182976, 2070208, 2365952, 4140416, 8280832, 16561664]

約数ペア:

[(1, 16561664), (2, 8280832), (4, 4140416), (7, 2365952), (8, 2070208), (14, 1182976), (16, 1035104), (28, 591488), (32, 517552), (56, 295744), (64, 258776), (112, 147872), (128, 129388), (224, 73936), (256, 64694), (448, 36968), (512, 32347), (896, 18484), (1792, 9242), (3584, 4621)]