991130882

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{509317}}^1$

素因数の和:509465

約数の個数: 16

約数和(自身を含む): 1711308480

約数和(自身を除く): 720177598

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 509317, 1018634, 3565219, 7130438, 70795063, 141590126, 495565441, 991130882]

約数ペア:

[(1, 991130882), (2, 495565441), (7, 141590126), (14, 70795063), (139, 7130438), (278, 3565219), (973, 1018634), (1946, 509317)]