201978514

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1\times {\mathrm{2003}}^1$

素因数の和:2529

約数の個数: 16

約数和(自身を含む): 306275328

約数和(自身を除く): 104296814

約数列:

[1, 2, 127, 254, 397, 794, 2003, 4006, 50419, 100838, 254381, 508762, 795191, 1590382, 100989257, 201978514]

約数ペア:

[(1, 201978514), (2, 100989257), (127, 1590382), (254, 795191), (397, 508762), (794, 254381), (2003, 100838), (4006, 50419)]