128870776

素因数分解:

$2^3\times {\mathrm{293}}^1\times {\mathrm{54979}}^1$

素因数の和:55278

約数の個数: 16

約数和(自身を含む): 242461800

約数和(自身を除く): 113591024

約数列:

[1, 2, 4, 8, 293, 586, 1172, 2344, 54979, 109958, 219916, 439832, 16108847, 32217694, 64435388, 128870776]

約数ペア:

[(1, 128870776), (2, 64435388), (4, 32217694), (8, 16108847), (293, 439832), (586, 219916), (1172, 109958), (2344, 54979)]