677648

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1033}}^1$

素因数の和:1082

約数の個数: 20

約数和(自身を含む): 1346268

約数和(自身を除く): 668620

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1033, 2066, 4132, 8264, 16528, 42353, 84706, 169412, 338824, 677648]

約数ペア:

[(1, 677648), (2, 338824), (4, 169412), (8, 84706), (16, 42353), (41, 16528), (82, 8264), (164, 4132), (328, 2066), (656, 1033)]