980701988

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1129841}}^1$

素因数の和:1129883

約数の個数: 24

約数和(自身を含む): 2024676864

約数和(自身を除く): 1043974876

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 1129841, 2259682, 4519364, 7908887, 15817774, 31635548, 35025071, 70050142, 140100284, 245175497, 490350994, 980701988]

約数ペア:

[(1, 980701988), (2, 490350994), (4, 245175497), (7, 140100284), (14, 70050142), (28, 35025071), (31, 31635548), (62, 15817774), (124, 7908887), (217, 4519364), (434, 2259682), (868, 1129841)]