211011647

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 269305344

約数和(自身を除く): 58293697

約数列:

[1, 7, 11, 77, 83, 137, 241, 581, 913, 959, 1507, 1687, 2651, 6391, 10549, 11371, 18557, 20003, 33017, 79597, 125081, 140021, 220033, 231119, 363187, 875567, 1540231, 2542309, 2740411, 19182877, 30144521, 211011647]

約数ペア:

[(1, 211011647), (7, 30144521), (11, 19182877), (77, 2740411), (83, 2542309), (137, 1540231), (241, 875567), (581, 363187), (913, 231119), (959, 220033), (1507, 140021), (1687, 125081), (2651, 79597), (6391, 33017), (10549, 20003), (11371, 18557)]