1390288

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{2803}}^1$

素因数の和:2842

約数の個数: 20

約数和(自身を含む): 2781568

約数和(自身を除く): 1391280

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 2803, 5606, 11212, 22424, 44848, 86893, 173786, 347572, 695144, 1390288]

約数ペア:

[(1, 1390288), (2, 695144), (4, 347572), (8, 173786), (16, 86893), (31, 44848), (62, 22424), (124, 11212), (248, 5606), (496, 2803)]