1977730988

素因数分解:

$2^2\times {\mathrm{557}}^1\times {\mathrm{887671}}^1$

素因数の和:888232

約数の個数: 12

約数和(自身を含む): 3467246832

約数和(自身を除く): 1489515844

約数列:

[1, 2, 4, 557, 1114, 2228, 887671, 1775342, 3550684, 494432747, 988865494, 1977730988]

約数ペア:

[(1, 1977730988), (2, 988865494), (4, 494432747), (557, 3550684), (1114, 1775342), (2228, 887671)]