1261456

素因数分解:

$2^4\times 7^2\times {\mathrm{1609}}^1$

素因数の和:1631

約数の個数: 30

約数和(自身を含む): 2844870

約数和(自身を除く): 1583414

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 1609, 3218, 6436, 11263, 12872, 22526, 25744, 45052, 78841, 90104, 157682, 180208, 315364, 630728, 1261456]

約数ペア:

[(1, 1261456), (2, 630728), (4, 315364), (7, 180208), (8, 157682), (14, 90104), (16, 78841), (28, 45052), (49, 25744), (56, 22526), (98, 12872), (112, 11263), (196, 6436), (392, 3218), (784, 1609)]