211728305

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{2861}}^1$

素因数の和:2945

約数の個数: 24

約数和(自身を含む): 274786344

約数和(自身を除く): 63058039

約数列:

[1, 5, 19, 41, 95, 205, 361, 779, 1805, 2861, 3895, 14305, 14801, 54359, 74005, 117301, 271795, 586505, 1032821, 2228719, 5164105, 11143595, 42345661, 211728305]

約数ペア:

[(1, 211728305), (5, 42345661), (19, 11143595), (41, 5164105), (95, 2228719), (205, 1032821), (361, 586505), (779, 271795), (1805, 117301), (2861, 74005), (3895, 54359), (14305, 14801)]