25931408

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{37691}}^1$

素因数の和:37742

約数の個数: 20

約数和(自身を含む): 51411888

約数和(自身を除く): 25480480

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 37691, 75382, 150764, 301528, 603056, 1620713, 3241426, 6482852, 12965704, 25931408]

約数ペア:

[(1, 25931408), (2, 12965704), (4, 6482852), (8, 3241426), (16, 1620713), (43, 603056), (86, 301528), (172, 150764), (344, 75382), (688, 37691)]