1265456

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:716

約数の個数: 20

約数和(自身を含む): 2473800

約数和(自身を除く): 1208344

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 569, 1112, 1138, 2224, 2276, 4552, 9104, 79091, 158182, 316364, 632728, 1265456]

約数ペア:

[(1, 1265456), (2, 632728), (4, 316364), (8, 158182), (16, 79091), (139, 9104), (278, 4552), (556, 2276), (569, 2224), (1112, 1138)]