61987639

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{2039}}^1$

素因数の和:2190

約数の個数: 16

約数和(自身を含む): 73244160

約数和(自身を除く): 11256521

約数列:

[1, 7, 43, 101, 301, 707, 2039, 4343, 14273, 30401, 87677, 205939, 613739, 1441573, 8855377, 61987639]

約数ペア:

[(1, 61987639), (7, 8855377), (43, 1441573), (101, 613739), (301, 205939), (707, 87677), (2039, 30401), (4343, 14273)]