201975529

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 245351808

約数和(自身を除く): 43376279

約数列:

[1, 7, 19, 133, 257, 311, 361, 1799, 2177, 2527, 4883, 5909, 34181, 41363, 79927, 92777, 112271, 559489, 649439, 785897, 1518613, 10630291, 28853647, 201975529]

約数ペア:

[(1, 201975529), (7, 28853647), (19, 10630291), (133, 1518613), (257, 785897), (311, 649439), (361, 559489), (1799, 112271), (2177, 92777), (2527, 79927), (4883, 41363), (5909, 34181)]