206840821

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 246343680

約数和(自身を除く): 39502859

約数列:

[1, 11, 19, 53, 71, 209, 263, 583, 781, 1007, 1349, 2893, 3763, 4997, 11077, 13939, 14839, 18673, 41393, 54967, 71497, 153329, 205403, 264841, 354787, 786467, 989669, 2913251, 3902657, 10886359, 18803711, 206840821]

約数ペア:

[(1, 206840821), (11, 18803711), (19, 10886359), (53, 3902657), (71, 2913251), (209, 989669), (263, 786467), (583, 354787), (781, 264841), (1007, 205403), (1349, 153329), (2893, 71497), (3763, 54967), (4997, 41393), (11077, 18673), (13939, 14839)]