1288404464

素因数分解:

$2^4\times {\mathrm{9689}}^1\times {\mathrm{8311}}^1$

素因数の和:18008

約数の個数: 20

約数和(自身を含む): 2496841680

約数和(自身を除く): 1208437216

約数列:

[1, 2, 4, 8, 16, 8311, 9689, 16622, 19378, 33244, 38756, 66488, 77512, 132976, 155024, 80525279, 161050558, 322101116, 644202232, 1288404464]

約数ペア:

[(1, 1288404464), (2, 644202232), (4, 322101116), (8, 161050558), (16, 80525279), (8311, 155024), (9689, 132976), (16622, 77512), (19378, 66488), (33244, 38756)]