209324401

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 254741760

約数和(自身を除く): 45417359

約数列:

[1, 11, 13, 53, 71, 143, 389, 583, 689, 781, 923, 3763, 4279, 5057, 7579, 10153, 20617, 27619, 41393, 48919, 55627, 226787, 268021, 303809, 359047, 538109, 1463807, 2948231, 3949517, 16101877, 19029491, 209324401]

約数ペア:

[(1, 209324401), (11, 19029491), (13, 16101877), (53, 3949517), (71, 2948231), (143, 1463807), (389, 538109), (583, 359047), (689, 303809), (781, 268021), (923, 226787), (3763, 55627), (4279, 48919), (5057, 41393), (7579, 27619), (10153, 20617)]