128444752

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{63211}}^1$

素因数の和:63346

約数の個数: 20

約数和(自身を含む): 250825216

約数和(自身を除く): 122380464

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 63211, 126422, 252844, 505688, 1011376, 8027797, 16055594, 32111188, 64222376, 128444752]

約数ペア:

[(1, 128444752), (2, 64222376), (4, 32111188), (8, 16055594), (16, 8027797), (127, 1011376), (254, 505688), (508, 252844), (1016, 126422), (2032, 63211)]