289344368

素因数分解:

$2^4\times {\mathrm{29}}^2\times {\mathrm{21503}}^1$

素因数の和:21569

約数の個数: 30

約数和(自身を含む): 580629504

約数和(自身を除く): 291285136

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 841, 1682, 3364, 6728, 13456, 21503, 43006, 86012, 172024, 344048, 623587, 1247174, 2494348, 4988696, 9977392, 18084023, 36168046, 72336092, 144672184, 289344368]

約数ペア:

[(1, 289344368), (2, 144672184), (4, 72336092), (8, 36168046), (16, 18084023), (29, 9977392), (58, 4988696), (116, 2494348), (232, 1247174), (464, 623587), (841, 344048), (1682, 172024), (3364, 86012), (6728, 43006), (13456, 21503)]