2561492

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 4798080

約数和(自身を除く): 2236588

約数列:

[1, 2, 4, 17, 34, 68, 139, 271, 278, 542, 556, 1084, 2363, 4607, 4726, 9214, 9452, 18428, 37669, 75338, 150676, 640373, 1280746, 2561492]

約数ペア:

[(1, 2561492), (2, 1280746), (4, 640373), (17, 150676), (34, 75338), (68, 37669), (139, 18428), (271, 9452), (278, 9214), (542, 4726), (556, 4607), (1084, 2363)]