209856959

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{7477}}^1$

素因数の和:7634

約数の個数: 16

約数和(自身を含む): 241210368

約数和(自身を除く): 31353409

約数列:

[1, 13, 17, 127, 221, 1651, 2159, 7477, 28067, 97201, 127109, 949579, 1652417, 12344527, 16142843, 209856959]

約数ペア:

[(1, 209856959), (13, 16142843), (17, 12344527), (127, 1652417), (221, 949579), (1651, 127109), (2159, 97201), (7477, 28067)]