51561616

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{36209}}^1$

素因数の和:36306

約数の個数: 20

約数和(自身を含む): 101025900

約数和(自身を除く): 49464284

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 36209, 72418, 144836, 289672, 579344, 3222601, 6445202, 12890404, 25780808, 51561616]

約数ペア:

[(1, 51561616), (2, 25780808), (4, 12890404), (8, 6445202), (16, 3222601), (89, 579344), (178, 289672), (356, 144836), (712, 72418), (1424, 36209)]