1256222512

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{222419}}^1$

素因数の和:222780

約数の個数: 20

約数和(自身を含む): 2440837080

約数和(自身を除く): 1184614568

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2824, 5648, 222419, 444838, 889676, 1779352, 3558704, 78513907, 157027814, 314055628, 628111256, 1256222512]

約数ペア:

[(1, 1256222512), (2, 628111256), (4, 314055628), (8, 157027814), (16, 78513907), (353, 3558704), (706, 1779352), (1412, 889676), (2824, 444838), (5648, 222419)]