25643824

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{37273}}^1$

素因数の和:37324

約数の個数: 20

約数和(自身を含む): 50841736

約数和(自身を除く): 25197912

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 37273, 74546, 149092, 298184, 596368, 1602739, 3205478, 6410956, 12821912, 25643824]

約数ペア:

[(1, 25643824), (2, 12821912), (4, 6410956), (8, 3205478), (16, 1602739), (43, 596368), (86, 298184), (172, 149092), (344, 74546), (688, 37273)]