128225468

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{25301}}^1$

素因数の和:25493

約数の個数: 24

約数和(自身を含む): 257877984

約数和(自身を除く): 129652516

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 5068, 25301, 50602, 101204, 177107, 354214, 708428, 4579481, 9158962, 18317924, 32056367, 64112734, 128225468]

約数ペア:

[(1, 128225468), (2, 64112734), (4, 32056367), (7, 18317924), (14, 9158962), (28, 4579481), (181, 708428), (362, 354214), (724, 177107), (1267, 101204), (2534, 50602), (5068, 25301)]