1296854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1655

約数の個数: 16

約数和(自身を含む): 2163840

約数和(自身を除く): 866986

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 1609, 3218, 20917, 41834, 49879, 99758, 648427, 1296854]

約数ペア:

[(1, 1296854), (2, 648427), (13, 99758), (26, 49879), (31, 41834), (62, 20917), (403, 3218), (806, 1609)]