990845655842

素因数分解:

$2^1\times 7^1\times {\mathrm{220189}}^1\times {\mathrm{321427}}^1$

素因数の和:541625

約数の個数: 16

約数和(自身を含む): 1698605551680

約数和(自身を除く): 707759895838

約数列:

[1, 2, 7, 14, 220189, 321427, 440378, 642854, 1541323, 2249989, 3082646, 4499978, 70774689703, 141549379406, 495422827921, 990845655842]

約数ペア:

[(1, 990845655842), (2, 495422827921), (7, 141549379406), (14, 70774689703), (220189, 4499978), (321427, 3082646), (440378, 2249989), (642854, 1541323)]