980764196

素因数分解:

$2^2\times {\mathrm{401}}^1\times {\mathrm{611449}}^1$

素因数の和:611854

約数の個数: 12

約数和(自身を含む): 1720620300

約数和(自身を除く): 739856104

約数列:

[1, 2, 4, 401, 802, 1604, 611449, 1222898, 2445796, 245191049, 490382098, 980764196]

約数ペア:

[(1, 980764196), (2, 490382098), (4, 245191049), (401, 2445796), (802, 1222898), (1604, 611449)]