68521961

素因数分解:

${\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 73881600

約数和(自身を除く): 5359639

約数列:

[1, 19, 73, 127, 389, 1387, 2413, 7391, 9271, 28397, 49403, 176149, 539543, 938657, 3606419, 68521961]

約数ペア:

[(1, 68521961), (19, 3606419), (73, 938657), (127, 539543), (389, 176149), (1387, 49403), (2413, 28397), (7391, 9271)]