890392468

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1382597}}^1$

素因数の和:1382631

約数の個数: 24

約数和(自身を含む): 1858211712

約数和(自身を除く): 967819244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 1382597, 2765194, 5530388, 9678179, 19356358, 31799731, 38712716, 63599462, 127198924, 222598117, 445196234, 890392468]

約数ペア:

[(1, 890392468), (2, 445196234), (4, 222598117), (7, 127198924), (14, 63599462), (23, 38712716), (28, 31799731), (46, 19356358), (92, 9678179), (161, 5530388), (322, 2765194), (644, 1382597)]